Home / 125,516.16-173,211.60-68,156.64

Finding the Fourth Proportional to 125,516.16, 173,211.60 and 68,156.64

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Solution

The fourth proportional to 125,516.16, 173,211.60 and 68,156.64 is: 94,055.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,516.16 : 173,211.60 = 68,156.64 : x
  2. Step 2: Convert to fraction form
    125,516.16/173,211.60 = 68,156.64/x
  3. Step 3: Cross multiply
    125,516.16x = 173,211.60 × 68,156.64
  4. Step 4: Simplify right side
    125,516.16x = 11,805,520,665.02
  5. Step 5: Solve for x
    x = 11,805,520,665.02/125,516.16
  6. Step 6: Final answer
    x = 94,055.78

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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.