Home / 121,159.46-167,197.76-67,444.10

Finding the Fourth Proportional to 121,159.46, 167,197.76 and 67,444.10

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Solution

The fourth proportional to 121,159.46, 167,197.76 and 67,444.10 is: 93,071.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,159.46 : 167,197.76 = 67,444.10 : x
  2. Step 2: Convert to fraction form
    121,159.46/167,197.76 = 67,444.10/x
  3. Step 3: Cross multiply
    121,159.46x = 167,197.76 × 67,444.10
  4. Step 4: Simplify right side
    121,159.46x = 11,276,502,445.22
  5. Step 5: Solve for x
    x = 11,276,502,445.22/121,159.46
  6. Step 6: Final answer
    x = 93,071.58

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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.