Home / 159,817.23-220,547.33-88,196.74

Finding the Fourth Proportional to 159,817.23, 220,547.33 and 88,196.74

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Solution

The fourth proportional to 159,817.23, 220,547.33 and 88,196.74 is: 121,711.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,817.23 : 220,547.33 = 88,196.74 : x
  2. Step 2: Convert to fraction form
    159,817.23/220,547.33 = 88,196.74/x
  3. Step 3: Cross multiply
    159,817.23x = 220,547.33 × 88,196.74
  4. Step 4: Simplify right side
    159,817.23x = 19,451,554,798.00
  5. Step 5: Solve for x
    x = 19,451,554,798.00/159,817.23
  6. Step 6: Final answer
    x = 121,711.25

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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.