Home / 143,547.06-215,248.20-83,594.91

Finding the Fourth Proportional to 143,547.06, 215,248.20 and 83,594.91

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Solution

The fourth proportional to 143,547.06, 215,248.20 and 83,594.91 is: 125,350.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,547.06 : 215,248.20 = 83,594.91 : x
  2. Step 2: Convert to fraction form
    143,547.06/215,248.20 = 83,594.91/x
  3. Step 3: Cross multiply
    143,547.06x = 215,248.20 × 83,594.91
  4. Step 4: Simplify right side
    143,547.06x = 17,993,653,906.66
  5. Step 5: Solve for x
    x = 17,993,653,906.66/143,547.06
  6. Step 6: Final answer
    x = 125,350.21

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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.