Home / 152,686.60-229,077.90-73,803.40

Finding the Fourth Proportional to 152,686.60, 229,077.90 and 73,803.40

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Solution

The fourth proportional to 152,686.60, 229,077.90 and 73,803.40 is: 110,728.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,686.60 : 229,077.90 = 73,803.40 : x
  2. Step 2: Convert to fraction form
    152,686.60/229,077.90 = 73,803.40/x
  3. Step 3: Cross multiply
    152,686.60x = 229,077.90 × 73,803.40
  4. Step 4: Simplify right side
    152,686.60x = 16,906,727,884.86
  5. Step 5: Solve for x
    x = 16,906,727,884.86/152,686.60
  6. Step 6: Final answer
    x = 110,728.30

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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.