Home / 346,143.60-519,251.85-143,716.71

Finding the Fourth Proportional to 346,143.60, 519,251.85 and 143,716.71

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Solution

The fourth proportional to 346,143.60, 519,251.85 and 143,716.71 is: 215,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,143.60 : 519,251.85 = 143,716.71 : x
  2. Step 2: Convert to fraction form
    346,143.60/519,251.85 = 143,716.71/x
  3. Step 3: Cross multiply
    346,143.60x = 519,251.85 × 143,716.71
  4. Step 4: Simplify right side
    346,143.60x = 74,625,167,543.41
  5. Step 5: Solve for x
    x = 74,625,167,543.41/346,143.60
  6. Step 6: Final answer
    x = 215,590.20

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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.