Home / 159,547.30-220,175.34-87,926.69

Finding the Fourth Proportional to 159,547.30, 220,175.34 and 87,926.69

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Solution

The fourth proportional to 159,547.30, 220,175.34 and 87,926.69 is: 121,338.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,547.30 : 220,175.34 = 87,926.69 : x
  2. Step 2: Convert to fraction form
    159,547.30/220,175.34 = 87,926.69/x
  3. Step 3: Cross multiply
    159,547.30x = 220,175.34 × 87,926.69
  4. Step 4: Simplify right side
    159,547.30x = 19,359,288,865.82
  5. Step 5: Solve for x
    x = 19,359,288,865.82/159,547.30
  6. Step 6: Final answer
    x = 121,338.87

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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.