Home / 121,443.38-167,587.10-70,453.48

Finding the Fourth Proportional to 121,443.38, 167,587.10 and 70,453.48

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Solution

The fourth proportional to 121,443.38, 167,587.10 and 70,453.48 is: 97,223.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,443.38 : 167,587.10 = 70,453.48 : x
  2. Step 2: Convert to fraction form
    121,443.38/167,587.10 = 70,453.48/x
  3. Step 3: Cross multiply
    121,443.38x = 167,587.10 × 70,453.48
  4. Step 4: Simplify right side
    121,443.38x = 11,807,094,398.11
  5. Step 5: Solve for x
    x = 11,807,094,398.11/121,443.38
  6. Step 6: Final answer
    x = 97,223.04

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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.