Home / 454,352.40-681,528.60-155,170.80

Finding the Fourth Proportional to 454,352.40, 681,528.60 and 155,170.80

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Solution

The fourth proportional to 454,352.40, 681,528.60 and 155,170.80 is: 232,756.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,352.40 : 681,528.60 = 155,170.80 : x
  2. Step 2: Convert to fraction form
    454,352.40/681,528.60 = 155,170.80/x
  3. Step 3: Cross multiply
    454,352.40x = 681,528.60 × 155,170.80
  4. Step 4: Simplify right side
    454,352.40x = 105,753,338,084.88
  5. Step 5: Solve for x
    x = 105,753,338,084.88/454,352.40
  6. Step 6: Final answer
    x = 232,756.20

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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.