Home / 142,981.24-214,133.65-124,159.03

Finding the Fourth Proportional to 142,981.24, 214,133.65 and 124,159.03

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Solution

The fourth proportional to 142,981.24, 214,133.65 and 124,159.03 is: 185,944.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,981.24 : 214,133.65 = 124,159.03 : x
  2. Step 2: Convert to fraction form
    142,981.24/214,133.65 = 124,159.03/x
  3. Step 3: Cross multiply
    142,981.24x = 214,133.65 × 124,159.03
  4. Step 4: Simplify right side
    142,981.24x = 26,586,625,777.83
  5. Step 5: Solve for x
    x = 26,586,625,777.83/142,981.24
  6. Step 6: Final answer
    x = 185,944.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.