Home / 96,389.20-144,583.80-86,547.70

Finding the Fourth Proportional to 96,389.20, 144,583.80 and 86,547.70

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Solution

The fourth proportional to 96,389.20, 144,583.80 and 86,547.70 is: 129,821.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,389.20 : 144,583.80 = 86,547.70 : x
  2. Step 2: Convert to fraction form
    96,389.20/144,583.80 = 86,547.70/x
  3. Step 3: Cross multiply
    96,389.20x = 144,583.80 × 86,547.70
  4. Step 4: Simplify right side
    96,389.20x = 12,513,395,347.26
  5. Step 5: Solve for x
    x = 12,513,395,347.26/96,389.20
  6. Step 6: Final answer
    x = 129,821.55

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Similar ratio
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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.