Home / 186,581.72-257,480.16-101,699.12

Finding the Fourth Proportional to 186,581.72, 257,480.16 and 101,699.12

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Solution

The fourth proportional to 186,581.72, 257,480.16 and 101,699.12 is: 140,343.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,581.72 : 257,480.16 = 101,699.12 : x
  2. Step 2: Convert to fraction form
    186,581.72/257,480.16 = 101,699.12/x
  3. Step 3: Cross multiply
    186,581.72x = 257,480.16 × 101,699.12
  4. Step 4: Simplify right side
    186,581.72x = 26,185,505,689.46
  5. Step 5: Solve for x
    x = 26,185,505,689.46/186,581.72
  6. Step 6: Final answer
    x = 140,343.36

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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.