Home / 186,470.80-257,330.20-101,588.48

Finding the Fourth Proportional to 186,470.80, 257,330.20 and 101,588.48

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Solution

The fourth proportional to 186,470.80, 257,330.20 and 101,588.48 is: 140,192.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,470.80 : 257,330.20 = 101,588.48 : x
  2. Step 2: Convert to fraction form
    186,470.80/257,330.20 = 101,588.48/x
  3. Step 3: Cross multiply
    186,470.80x = 257,330.20 × 101,588.48
  4. Step 4: Simplify right side
    186,470.80x = 26,141,783,876.10
  5. Step 5: Solve for x
    x = 26,141,783,876.10/186,470.80
  6. Step 6: Final answer
    x = 140,192.37

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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.