Home / 121,203.60-181,805.40-32,470.80

Finding the Fourth Proportional to 121,203.60, 181,805.40 and 32,470.80

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Solution

The fourth proportional to 121,203.60, 181,805.40 and 32,470.80 is: 48,706.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,203.60 : 181,805.40 = 32,470.80 : x
  2. Step 2: Convert to fraction form
    121,203.60/181,805.40 = 32,470.80/x
  3. Step 3: Cross multiply
    121,203.60x = 181,805.40 × 32,470.80
  4. Step 4: Simplify right side
    121,203.60x = 5,903,366,782.32
  5. Step 5: Solve for x
    x = 5,903,366,782.32/121,203.60
  6. Step 6: Final answer
    x = 48,706.20

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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.