Home / 162,115.72-223,718.83-94,149.38

Finding the Fourth Proportional to 162,115.72, 223,718.83 and 94,149.38

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Solution

The fourth proportional to 162,115.72, 223,718.83 and 94,149.38 is: 129,925.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,115.72 : 223,718.83 = 94,149.38 : x
  2. Step 2: Convert to fraction form
    162,115.72/223,718.83 = 94,149.38/x
  3. Step 3: Cross multiply
    162,115.72x = 223,718.83 × 94,149.38
  4. Step 4: Simplify right side
    162,115.72x = 21,062,989,462.75
  5. Step 5: Solve for x
    x = 21,062,989,462.75/162,115.72
  6. Step 6: Final answer
    x = 129,925.65

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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.