Home / 154,425.60-231,638.40-95,068.80

Finding the Fourth Proportional to 154,425.60, 231,638.40 and 95,068.80

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Solution

The fourth proportional to 154,425.60, 231,638.40 and 95,068.80 is: 142,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,425.60 : 231,638.40 = 95,068.80 : x
  2. Step 2: Convert to fraction form
    154,425.60/231,638.40 = 95,068.80/x
  3. Step 3: Cross multiply
    154,425.60x = 231,638.40 × 95,068.80
  4. Step 4: Simplify right side
    154,425.60x = 22,021,584,721.92
  5. Step 5: Solve for x
    x = 22,021,584,721.92/154,425.60
  6. Step 6: Final answer
    x = 142,603.20

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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.