Home / 121,827.16-182,456.88-118,464.04

Finding the Fourth Proportional to 121,827.16, 182,456.88 and 118,464.04

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Solution

The fourth proportional to 121,827.16, 182,456.88 and 118,464.04 is: 177,420.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,827.16 : 182,456.88 = 118,464.04 : x
  2. Step 2: Convert to fraction form
    121,827.16/182,456.88 = 118,464.04/x
  3. Step 3: Cross multiply
    121,827.16x = 182,456.88 × 118,464.04
  4. Step 4: Simplify right side
    121,827.16x = 21,614,579,130.60
  5. Step 5: Solve for x
    x = 21,614,579,130.60/121,827.16
  6. Step 6: Final answer
    x = 177,420.04

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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.