Home / 121,301.60-167,408.52-67,595.36

Finding the Fourth Proportional to 121,301.60, 167,408.52 and 67,595.36

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Solution

The fourth proportional to 121,301.60, 167,408.52 and 67,595.36 is: 93,288.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,301.60 : 167,408.52 = 67,595.36 : x
  2. Step 2: Convert to fraction form
    121,301.60/167,408.52 = 67,595.36/x
  3. Step 3: Cross multiply
    121,301.60x = 167,408.52 × 67,595.36
  4. Step 4: Simplify right side
    121,301.60x = 11,316,039,176.47
  5. Step 5: Solve for x
    x = 11,316,039,176.47/121,301.60
  6. Step 6: Final answer
    x = 93,288.46

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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.