Home / 341,895.63-512,865.34-131,533.57

Finding the Fourth Proportional to 341,895.63, 512,865.34 and 131,533.57

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Solution

The fourth proportional to 341,895.63, 512,865.34 and 131,533.57 is: 197,308.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,895.63 : 512,865.34 = 131,533.57 : x
  2. Step 2: Convert to fraction form
    341,895.63/512,865.34 = 131,533.57/x
  3. Step 3: Cross multiply
    341,895.63x = 512,865.34 × 131,533.57
  4. Step 4: Simplify right side
    341,895.63x = 67,459,009,411.71
  5. Step 5: Solve for x
    x = 67,459,009,411.71/341,895.63
  6. Step 6: Final answer
    x = 197,308.78

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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.