Home / 341,939.10-512,908.65-92,621.10

Finding the Fourth Proportional to 341,939.10, 512,908.65 and 92,621.10

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Solution

The fourth proportional to 341,939.10, 512,908.65 and 92,621.10 is: 138,931.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,939.10 : 512,908.65 = 92,621.10 : x
  2. Step 2: Convert to fraction form
    341,939.10/512,908.65 = 92,621.10/x
  3. Step 3: Cross multiply
    341,939.10x = 512,908.65 × 92,621.10
  4. Step 4: Simplify right side
    341,939.10x = 47,506,163,362.52
  5. Step 5: Solve for x
    x = 47,506,163,362.52/341,939.10
  6. Step 6: Final answer
    x = 138,931.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.