Home / 157,433.40-236,150.10-126,329.40

Finding the Fourth Proportional to 157,433.40, 236,150.10 and 126,329.40

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Solution

The fourth proportional to 157,433.40, 236,150.10 and 126,329.40 is: 189,494.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,433.40 : 236,150.10 = 126,329.40 : x
  2. Step 2: Convert to fraction form
    157,433.40/236,150.10 = 126,329.40/x
  3. Step 3: Cross multiply
    157,433.40x = 236,150.10 × 126,329.40
  4. Step 4: Simplify right side
    157,433.40x = 29,832,700,442.94
  5. Step 5: Solve for x
    x = 29,832,700,442.94/157,433.40
  6. Step 6: Final answer
    x = 189,494.10

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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.