Home / 159,071.04-238,591.20-80,153.92

Finding the Fourth Proportional to 159,071.04, 238,591.20 and 80,153.92

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Solution

The fourth proportional to 159,071.04, 238,591.20 and 80,153.92 is: 120,223.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,071.04 : 238,591.20 = 80,153.92 : x
  2. Step 2: Convert to fraction form
    159,071.04/238,591.20 = 80,153.92/x
  3. Step 3: Cross multiply
    159,071.04x = 238,591.20 × 80,153.92
  4. Step 4: Simplify right side
    159,071.04x = 19,124,019,957.50
  5. Step 5: Solve for x
    x = 19,124,019,957.50/159,071.04
  6. Step 6: Final answer
    x = 120,223.14

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1.5x scale

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.