Home / 186,329.48-257,126.10-101,446.28

Finding the Fourth Proportional to 186,329.48, 257,126.10 and 101,446.28

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Solution

The fourth proportional to 186,329.48, 257,126.10 and 101,446.28 is: 139,991.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,329.48 : 257,126.10 = 101,446.28 : x
  2. Step 2: Convert to fraction form
    186,329.48/257,126.10 = 101,446.28/x
  3. Step 3: Cross multiply
    186,329.48x = 257,126.10 × 101,446.28
  4. Step 4: Simplify right side
    186,329.48x = 26,084,486,335.91
  5. Step 5: Solve for x
    x = 26,084,486,335.91/186,329.48
  6. Step 6: Final answer
    x = 139,991.19

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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.