Home / 157,334.40-236,088-74,226.24

Finding the Fourth Proportional to 157,334.40, 236,088 and 74,226.24

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Solution

The fourth proportional to 157,334.40, 236,088 and 74,226.24 is: 111,380.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,334.40 : 236,088 = 74,226.24 : x
  2. Step 2: Convert to fraction form
    157,334.40/236,088 = 74,226.24/x
  3. Step 3: Cross multiply
    157,334.40x = 236,088 × 74,226.24
  4. Step 4: Simplify right side
    157,334.40x = 17,523,924,549.12
  5. Step 5: Solve for x
    x = 17,523,924,549.12/157,334.40
  6. Step 6: Final answer
    x = 111,380.12

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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.