Home / 103,522.40-155,283.60-97,398.80

Finding the Fourth Proportional to 103,522.40, 155,283.60 and 97,398.80

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Solution

The fourth proportional to 103,522.40, 155,283.60 and 97,398.80 is: 146,098.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,522.40 : 155,283.60 = 97,398.80 : x
  2. Step 2: Convert to fraction form
    103,522.40/155,283.60 = 97,398.80/x
  3. Step 3: Cross multiply
    103,522.40x = 155,283.60 × 97,398.80
  4. Step 4: Simplify right side
    103,522.40x = 15,124,436,299.68
  5. Step 5: Solve for x
    x = 15,124,436,299.68/103,522.40
  6. Step 6: Final answer
    x = 146,098.20

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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.