Home / 121,411.04-167,548.19-67,699.51

Finding the Fourth Proportional to 121,411.04, 167,548.19 and 67,699.51

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Solution

The fourth proportional to 121,411.04, 167,548.19 and 67,699.51 is: 93,425.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,411.04 : 167,548.19 = 67,699.51 : x
  2. Step 2: Convert to fraction form
    121,411.04/167,548.19 = 67,699.51/x
  3. Step 3: Cross multiply
    121,411.04x = 167,548.19 × 67,699.51
  4. Step 4: Simplify right side
    121,411.04x = 11,342,929,188.15
  5. Step 5: Solve for x
    x = 11,342,929,188.15/121,411.04
  6. Step 6: Final answer
    x = 93,425.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.