Home / 157,581.46-236,340.40-57,707.56

Finding the Fourth Proportional to 157,581.46, 236,340.40 and 57,707.56

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Solution

The fourth proportional to 157,581.46, 236,340.40 and 57,707.56 is: 86,549.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,581.46 : 236,340.40 = 57,707.56 : x
  2. Step 2: Convert to fraction form
    157,581.46/236,340.40 = 57,707.56/x
  3. Step 3: Cross multiply
    157,581.46x = 236,340.40 × 57,707.56
  4. Step 4: Simplify right side
    157,581.46x = 13,638,627,813.42
  5. Step 5: Solve for x
    x = 13,638,627,813.42/157,581.46
  6. Step 6: Final answer
    x = 86,549.70

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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.