Home / 185,899.11-256,541.45-101,016.15

Finding the Fourth Proportional to 185,899.11, 256,541.45 and 101,016.15

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Solution

The fourth proportional to 185,899.11, 256,541.45 and 101,016.15 is: 139,402.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,899.11 : 256,541.45 = 101,016.15 : x
  2. Step 2: Convert to fraction form
    185,899.11/256,541.45 = 101,016.15/x
  3. Step 3: Cross multiply
    185,899.11x = 256,541.45 × 101,016.15
  4. Step 4: Simplify right side
    185,899.11x = 25,914,829,089.34
  5. Step 5: Solve for x
    x = 25,914,829,089.34/185,899.11
  6. Step 6: Final answer
    x = 139,402.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.