Home / 121,207.24-167,265.30-70,905.16

Finding the Fourth Proportional to 121,207.24, 167,265.30 and 70,905.16

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Solution

The fourth proportional to 121,207.24, 167,265.30 and 70,905.16 is: 97,848.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,207.24 : 167,265.30 = 70,905.16 : x
  2. Step 2: Convert to fraction form
    121,207.24/167,265.30 = 70,905.16/x
  3. Step 3: Cross multiply
    121,207.24x = 167,265.30 × 70,905.16
  4. Step 4: Simplify right side
    121,207.24x = 11,859,972,858.95
  5. Step 5: Solve for x
    x = 11,859,972,858.95/121,207.24
  6. Step 6: Final answer
    x = 97,848.72

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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.