Home / 149,435.60-224,153.40-86,363.60

Finding the Fourth Proportional to 149,435.60, 224,153.40 and 86,363.60

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Solution

The fourth proportional to 149,435.60, 224,153.40 and 86,363.60 is: 129,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,435.60 : 224,153.40 = 86,363.60 : x
  2. Step 2: Convert to fraction form
    149,435.60/224,153.40 = 86,363.60/x
  3. Step 3: Cross multiply
    149,435.60x = 224,153.40 × 86,363.60
  4. Step 4: Simplify right side
    149,435.60x = 19,358,694,576.24
  5. Step 5: Solve for x
    x = 19,358,694,576.24/149,435.60
  6. Step 6: Final answer
    x = 129,545.40

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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.