Home / 121,526.60-182,008.02-117,321.62

Finding the Fourth Proportional to 121,526.60, 182,008.02 and 117,321.62

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Solution

The fourth proportional to 121,526.60, 182,008.02 and 117,321.62 is: 175,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,526.60 : 182,008.02 = 117,321.62 : x
  2. Step 2: Convert to fraction form
    121,526.60/182,008.02 = 117,321.62/x
  3. Step 3: Cross multiply
    121,526.60x = 182,008.02 × 117,321.62
  4. Step 4: Simplify right side
    121,526.60x = 21,353,475,759.39
  5. Step 5: Solve for x
    x = 21,353,475,759.39/121,526.60
  6. Step 6: Final answer
    x = 175,710.30

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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.