Home / 154,554.50-231,432.51-106,670.91

Finding the Fourth Proportional to 154,554.50, 231,432.51 and 106,670.91

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Solution

The fourth proportional to 154,554.50, 231,432.51 and 106,670.91 is: 159,730.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,554.50 : 231,432.51 = 106,670.91 : x
  2. Step 2: Convert to fraction form
    154,554.50/231,432.51 = 106,670.91/x
  3. Step 3: Cross multiply
    154,554.50x = 231,432.51 × 106,670.91
  4. Step 4: Simplify right side
    154,554.50x = 24,687,116,445.28
  5. Step 5: Solve for x
    x = 24,687,116,445.28/154,554.50
  6. Step 6: Final answer
    x = 159,730.82

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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.