Home / 186,640.72-257,566.98-101,759.20

Finding the Fourth Proportional to 186,640.72, 257,566.98 and 101,759.20

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Solution

The fourth proportional to 186,640.72, 257,566.98 and 101,759.20 is: 140,429.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,640.72 : 257,566.98 = 101,759.20 : x
  2. Step 2: Convert to fraction form
    186,640.72/257,566.98 = 101,759.20/x
  3. Step 3: Cross multiply
    186,640.72x = 257,566.98 × 101,759.20
  4. Step 4: Simplify right side
    186,640.72x = 26,209,809,831.22
  5. Step 5: Solve for x
    x = 26,209,809,831.22/186,640.72
  6. Step 6: Final answer
    x = 140,429.22

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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.