Home / 154,468.10-231,702.15-54,740.90

Finding the Fourth Proportional to 154,468.10, 231,702.15 and 54,740.90

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Solution

The fourth proportional to 154,468.10, 231,702.15 and 54,740.90 is: 82,111.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,468.10 : 231,702.15 = 54,740.90 : x
  2. Step 2: Convert to fraction form
    154,468.10/231,702.15 = 54,740.90/x
  3. Step 3: Cross multiply
    154,468.10x = 231,702.15 × 54,740.90
  4. Step 4: Simplify right side
    154,468.10x = 12,683,584,222.94
  5. Step 5: Solve for x
    x = 12,683,584,222.94/154,468.10
  6. Step 6: Final answer
    x = 82,111.35

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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.