Home / 177,281.76-265,844.68-66,396

Finding the Fourth Proportional to 177,281.76, 265,844.68 and 66,396

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Solution

The fourth proportional to 177,281.76, 265,844.68 and 66,396 is: 99,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,281.76 : 265,844.68 = 66,396 : x
  2. Step 2: Convert to fraction form
    177,281.76/265,844.68 = 66,396/x
  3. Step 3: Cross multiply
    177,281.76x = 265,844.68 × 66,396
  4. Step 4: Simplify right side
    177,281.76x = 17,651,023,373.28
  5. Step 5: Solve for x
    x = 17,651,023,373.28/177,281.76
  6. Step 6: Final answer
    x = 99,564.80

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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.