Home / 121,327.17-167,432.09-70,370.07

Finding the Fourth Proportional to 121,327.17, 167,432.09 and 70,370.07

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Solution

The fourth proportional to 121,327.17, 167,432.09 and 70,370.07 is: 97,111.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,327.17 : 167,432.09 = 70,370.07 : x
  2. Step 2: Convert to fraction form
    121,327.17/167,432.09 = 70,370.07/x
  3. Step 3: Cross multiply
    121,327.17x = 167,432.09 × 70,370.07
  4. Step 4: Simplify right side
    121,327.17x = 11,782,207,541.70
  5. Step 5: Solve for x
    x = 11,782,207,541.70/121,327.17
  6. Step 6: Final answer
    x = 97,111.04

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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.