Home / 256,117.10-384,175.65-123,061.10

Finding the Fourth Proportional to 256,117.10, 384,175.65 and 123,061.10

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Solution

The fourth proportional to 256,117.10, 384,175.65 and 123,061.10 is: 184,591.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,117.10 : 384,175.65 = 123,061.10 : x
  2. Step 2: Convert to fraction form
    256,117.10/384,175.65 = 123,061.10/x
  3. Step 3: Cross multiply
    256,117.10x = 384,175.65 × 123,061.10
  4. Step 4: Simplify right side
    256,117.10x = 47,277,078,082.22
  5. Step 5: Solve for x
    x = 47,277,078,082.22/256,117.10
  6. Step 6: Final answer
    x = 184,591.65

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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.