Home / 121,360.48-182,123.28-74,470.24

Finding the Fourth Proportional to 121,360.48, 182,123.28 and 74,470.24

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Solution

The fourth proportional to 121,360.48, 182,123.28 and 74,470.24 is: 111,756.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,360.48 : 182,123.28 = 74,470.24 : x
  2. Step 2: Convert to fraction form
    121,360.48/182,123.28 = 74,470.24/x
  3. Step 3: Cross multiply
    121,360.48x = 182,123.28 × 74,470.24
  4. Step 4: Simplify right side
    121,360.48x = 13,562,764,371.19
  5. Step 5: Solve for x
    x = 13,562,764,371.19/121,360.48
  6. Step 6: Final answer
    x = 111,756.02

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1.5x scale

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.