Home / 157,649.10-236,473.65-74,705.10

Finding the Fourth Proportional to 157,649.10, 236,473.65 and 74,705.10

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Solution

The fourth proportional to 157,649.10, 236,473.65 and 74,705.10 is: 112,057.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,649.10 : 236,473.65 = 74,705.10 : x
  2. Step 2: Convert to fraction form
    157,649.10/236,473.65 = 74,705.10/x
  3. Step 3: Cross multiply
    157,649.10x = 236,473.65 × 74,705.10
  4. Step 4: Simplify right side
    157,649.10x = 17,665,787,670.62
  5. Step 5: Solve for x
    x = 17,665,787,670.62/157,649.10
  6. Step 6: Final answer
    x = 112,057.65

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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.