Home / 109,547.16-151,179.66-69,246.42

Finding the Fourth Proportional to 109,547.16, 151,179.66 and 69,246.42

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Solution

The fourth proportional to 109,547.16, 151,179.66 and 69,246.42 is: 95,562.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,547.16 : 151,179.66 = 69,246.42 : x
  2. Step 2: Convert to fraction form
    109,547.16/151,179.66 = 69,246.42/x
  3. Step 3: Cross multiply
    109,547.16x = 151,179.66 × 69,246.42
  4. Step 4: Simplify right side
    109,547.16x = 10,468,650,231.82
  5. Step 5: Solve for x
    x = 10,468,650,231.82/109,547.16
  6. Step 6: Final answer
    x = 95,562.95

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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.