Home / 186,564.80-257,465.04-101,687.36

Finding the Fourth Proportional to 186,564.80, 257,465.04 and 101,687.36

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Solution

The fourth proportional to 186,564.80, 257,465.04 and 101,687.36 is: 140,331.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,564.80 : 257,465.04 = 101,687.36 : x
  2. Step 2: Convert to fraction form
    186,564.80/257,465.04 = 101,687.36/x
  3. Step 3: Cross multiply
    186,564.80x = 257,465.04 × 101,687.36
  4. Step 4: Simplify right side
    186,564.80x = 26,180,940,209.89
  5. Step 5: Solve for x
    x = 26,180,940,209.89/186,564.80
  6. Step 6: Final answer
    x = 140,331.62

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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.