Home / 157,436.74-236,156.17-57,555.84

Finding the Fourth Proportional to 157,436.74, 236,156.17 and 57,555.84

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Solution

The fourth proportional to 157,436.74, 236,156.17 and 57,555.84 is: 86,334.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,436.74 : 236,156.17 = 57,555.84 : x
  2. Step 2: Convert to fraction form
    157,436.74/236,156.17 = 57,555.84/x
  3. Step 3: Cross multiply
    157,436.74x = 236,156.17 × 57,555.84
  4. Step 4: Simplify right side
    157,436.74x = 13,592,166,735.53
  5. Step 5: Solve for x
    x = 13,592,166,735.53/157,436.74
  6. Step 6: Final answer
    x = 86,334.15

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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.