Home / 157,765.72-235,929.84-117,812.76

Finding the Fourth Proportional to 157,765.72, 235,929.84 and 117,812.76

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Solution

The fourth proportional to 157,765.72, 235,929.84 and 117,812.76 is: 176,182.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,765.72 : 235,929.84 = 117,812.76 : x
  2. Step 2: Convert to fraction form
    157,765.72/235,929.84 = 117,812.76/x
  3. Step 3: Cross multiply
    157,765.72x = 235,929.84 × 117,812.76
  4. Step 4: Simplify right side
    157,765.72x = 27,795,545,616.76
  5. Step 5: Solve for x
    x = 27,795,545,616.76/157,765.72
  6. Step 6: Final answer
    x = 176,182.42

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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.