Home / 121,240.40-167,316.93-67,525.43

Finding the Fourth Proportional to 121,240.40, 167,316.93 and 67,525.43

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Solution

The fourth proportional to 121,240.40, 167,316.93 and 67,525.43 is: 93,187.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,240.40 : 167,316.93 = 67,525.43 : x
  2. Step 2: Convert to fraction form
    121,240.40/167,316.93 = 67,525.43/x
  3. Step 3: Cross multiply
    121,240.40x = 167,316.93 × 67,525.43
  4. Step 4: Simplify right side
    121,240.40x = 11,298,146,807.95
  5. Step 5: Solve for x
    x = 11,298,146,807.95/121,240.40
  6. Step 6: Final answer
    x = 93,187.97

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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.