Home / 158,579.60-237,869.40-121,254.80

Finding the Fourth Proportional to 158,579.60, 237,869.40 and 121,254.80

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Solution

The fourth proportional to 158,579.60, 237,869.40 and 121,254.80 is: 181,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,579.60 : 237,869.40 = 121,254.80 : x
  2. Step 2: Convert to fraction form
    158,579.60/237,869.40 = 121,254.80/x
  3. Step 3: Cross multiply
    158,579.60x = 237,869.40 × 121,254.80
  4. Step 4: Simplify right side
    158,579.60x = 28,842,806,523.12
  5. Step 5: Solve for x
    x = 28,842,806,523.12/158,579.60
  6. Step 6: Final answer
    x = 181,882.20

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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.