Home / 154,590.40-231,750.60-59,885.20

Finding the Fourth Proportional to 154,590.40, 231,750.60 and 59,885.20

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Solution

The fourth proportional to 154,590.40, 231,750.60 and 59,885.20 is: 89,775.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,590.40 : 231,750.60 = 59,885.20 : x
  2. Step 2: Convert to fraction form
    154,590.40/231,750.60 = 59,885.20/x
  3. Step 3: Cross multiply
    154,590.40x = 231,750.60 × 59,885.20
  4. Step 4: Simplify right side
    154,590.40x = 13,878,431,031.12
  5. Step 5: Solve for x
    x = 13,878,431,031.12/154,590.40
  6. Step 6: Final answer
    x = 89,775.50

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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.