Home / 129,114.38-193,678.85-46,008.38

Finding the Fourth Proportional to 129,114.38, 193,678.85 and 46,008.38

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Solution

The fourth proportional to 129,114.38, 193,678.85 and 46,008.38 is: 69,015.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,114.38 : 193,678.85 = 46,008.38 : x
  2. Step 2: Convert to fraction form
    129,114.38/193,678.85 = 46,008.38/x
  3. Step 3: Cross multiply
    129,114.38x = 193,678.85 × 46,008.38
  4. Step 4: Simplify right side
    129,114.38x = 8,910,849,275.39
  5. Step 5: Solve for x
    x = 8,910,849,275.39/129,114.38
  6. Step 6: Final answer
    x = 69,015.16

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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.