Home / 152,001.20-209,706.36-88,324.40

Finding the Fourth Proportional to 152,001.20, 209,706.36 and 88,324.40

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Solution

The fourth proportional to 152,001.20, 209,706.36 and 88,324.40 is: 121,855.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,001.20 : 209,706.36 = 88,324.40 : x
  2. Step 2: Convert to fraction form
    152,001.20/209,706.36 = 88,324.40/x
  3. Step 3: Cross multiply
    152,001.20x = 209,706.36 × 88,324.40
  4. Step 4: Simplify right side
    152,001.20x = 18,522,188,423.18
  5. Step 5: Solve for x
    x = 18,522,188,423.18/152,001.20
  6. Step 6: Final answer
    x = 121,855.54

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1.5x scale

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.