Home / 186,899.10-257,921.13-102,016.17

Finding the Fourth Proportional to 186,899.10, 257,921.13 and 102,016.17

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Solution

The fourth proportional to 186,899.10, 257,921.13 and 102,016.17 is: 140,782.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,899.10 : 257,921.13 = 102,016.17 : x
  2. Step 2: Convert to fraction form
    186,899.10/257,921.13 = 102,016.17/x
  3. Step 3: Cross multiply
    186,899.10x = 257,921.13 × 102,016.17
  4. Step 4: Simplify right side
    186,899.10x = 26,312,125,844.67
  5. Step 5: Solve for x
    x = 26,312,125,844.67/186,899.10
  6. Step 6: Final answer
    x = 140,782.52

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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.