Home / 158,411.04-218,600.56-94,711.20

Finding the Fourth Proportional to 158,411.04, 218,600.56 and 94,711.20

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Solution

The fourth proportional to 158,411.04, 218,600.56 and 94,711.20 is: 130,697.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,411.04 : 218,600.56 = 94,711.20 : x
  2. Step 2: Convert to fraction form
    158,411.04/218,600.56 = 94,711.20/x
  3. Step 3: Cross multiply
    158,411.04x = 218,600.56 × 94,711.20
  4. Step 4: Simplify right side
    158,411.04x = 20,703,921,358.27
  5. Step 5: Solve for x
    x = 20,703,921,358.27/158,411.04
  6. Step 6: Final answer
    x = 130,697.47

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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.