Home / 157,792.20-236,342.70-137,056.20

Finding the Fourth Proportional to 157,792.20, 236,342.70 and 137,056.20

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Solution

The fourth proportional to 157,792.20, 236,342.70 and 137,056.20 is: 205,284.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,792.20 : 236,342.70 = 137,056.20 : x
  2. Step 2: Convert to fraction form
    157,792.20/236,342.70 = 137,056.20/x
  3. Step 3: Cross multiply
    157,792.20x = 236,342.70 × 137,056.20
  4. Step 4: Simplify right side
    157,792.20x = 32,392,232,359.74
  5. Step 5: Solve for x
    x = 32,392,232,359.74/157,792.20
  6. Step 6: Final answer
    x = 205,284.12

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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.