Home / 145,766.04-201,154.38-81,233.85

Finding the Fourth Proportional to 145,766.04, 201,154.38 and 81,233.85

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Solution

The fourth proportional to 145,766.04, 201,154.38 and 81,233.85 is: 112,101.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,766.04 : 201,154.38 = 81,233.85 : x
  2. Step 2: Convert to fraction form
    145,766.04/201,154.38 = 81,233.85/x
  3. Step 3: Cross multiply
    145,766.04x = 201,154.38 × 81,233.85
  4. Step 4: Simplify right side
    145,766.04x = 16,340,544,731.76
  5. Step 5: Solve for x
    x = 16,340,544,731.76/145,766.04
  6. Step 6: Final answer
    x = 112,101.18

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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.