Home / 157,645.90-236,468.85-148,314.70

Finding the Fourth Proportional to 157,645.90, 236,468.85 and 148,314.70

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Solution

The fourth proportional to 157,645.90, 236,468.85 and 148,314.70 is: 222,472.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,645.90 : 236,468.85 = 148,314.70 : x
  2. Step 2: Convert to fraction form
    157,645.90/236,468.85 = 148,314.70/x
  3. Step 3: Cross multiply
    157,645.90x = 236,468.85 × 148,314.70
  4. Step 4: Simplify right side
    157,645.90x = 35,071,806,547.10
  5. Step 5: Solve for x
    x = 35,071,806,547.10/157,645.90
  6. Step 6: Final answer
    x = 222,472.05

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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.