Home / 159,547.28-220,185.63-91,586.25

Finding the Fourth Proportional to 159,547.28, 220,185.63 and 91,586.25

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Solution

The fourth proportional to 159,547.28, 220,185.63 and 91,586.25 is: 126,394.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,547.28 : 220,185.63 = 91,586.25 : x
  2. Step 2: Convert to fraction form
    159,547.28/220,185.63 = 91,586.25/x
  3. Step 3: Cross multiply
    159,547.28x = 220,185.63 × 91,586.25
  4. Step 4: Simplify right side
    159,547.28x = 20,165,976,155.59
  5. Step 5: Solve for x
    x = 20,165,976,155.59/159,547.28
  6. Step 6: Final answer
    x = 126,394.99

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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.