Home / 161,728.30-242,592.45-154,470.70

Finding the Fourth Proportional to 161,728.30, 242,592.45 and 154,470.70

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Solution

The fourth proportional to 161,728.30, 242,592.45 and 154,470.70 is: 231,706.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,728.30 : 242,592.45 = 154,470.70 : x
  2. Step 2: Convert to fraction form
    161,728.30/242,592.45 = 154,470.70/x
  3. Step 3: Cross multiply
    161,728.30x = 242,592.45 × 154,470.70
  4. Step 4: Simplify right side
    161,728.30x = 37,473,425,566.22
  5. Step 5: Solve for x
    x = 37,473,425,566.22/161,728.30
  6. Step 6: Final answer
    x = 231,706.05

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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.