Home / 153,341.20-211,624.14-85,382.20

Finding the Fourth Proportional to 153,341.20, 211,624.14 and 85,382.20

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Solution

The fourth proportional to 153,341.20, 211,624.14 and 85,382.20 is: 117,834.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,341.20 : 211,624.14 = 85,382.20 : x
  2. Step 2: Convert to fraction form
    153,341.20/211,624.14 = 85,382.20/x
  3. Step 3: Cross multiply
    153,341.20x = 211,624.14 × 85,382.20
  4. Step 4: Simplify right side
    153,341.20x = 18,068,934,646.31
  5. Step 5: Solve for x
    x = 18,068,934,646.31/153,341.20
  6. Step 6: Final answer
    x = 117,834.83

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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.