Home / 147,124.04-220,407.62-86,972.42

Finding the Fourth Proportional to 147,124.04, 220,407.62 and 86,972.42

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Solution

The fourth proportional to 147,124.04, 220,407.62 and 86,972.42 is: 130,294.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,124.04 : 220,407.62 = 86,972.42 : x
  2. Step 2: Convert to fraction form
    147,124.04/220,407.62 = 86,972.42/x
  3. Step 3: Cross multiply
    147,124.04x = 220,407.62 × 86,972.42
  4. Step 4: Simplify right side
    147,124.04x = 19,169,384,214.00
  5. Step 5: Solve for x
    x = 19,169,384,214.00/147,124.04
  6. Step 6: Final answer
    x = 130,294.04

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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.