Home / 150,522.40-207,730.52-99,445.53

Finding the Fourth Proportional to 150,522.40, 207,730.52 and 99,445.53

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Solution

The fourth proportional to 150,522.40, 207,730.52 and 99,445.53 is: 137,241.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,522.40 : 207,730.52 = 99,445.53 : x
  2. Step 2: Convert to fraction form
    150,522.40/207,730.52 = 99,445.53/x
  3. Step 3: Cross multiply
    150,522.40x = 207,730.52 × 99,445.53
  4. Step 4: Simplify right side
    150,522.40x = 20,657,871,658.58
  5. Step 5: Solve for x
    x = 20,657,871,658.58/150,522.40
  6. Step 6: Final answer
    x = 137,241.18

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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.