Home / 169,720.11-234,255.85-98,141.63

Finding the Fourth Proportional to 169,720.11, 234,255.85 and 98,141.63

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Solution

The fourth proportional to 169,720.11, 234,255.85 and 98,141.63 is: 135,459.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,720.11 : 234,255.85 = 98,141.63 : x
  2. Step 2: Convert to fraction form
    169,720.11/234,255.85 = 98,141.63/x
  3. Step 3: Cross multiply
    169,720.11x = 234,255.85 × 98,141.63
  4. Step 4: Simplify right side
    169,720.11x = 22,990,249,539.40
  5. Step 5: Solve for x
    x = 22,990,249,539.40/169,720.11
  6. Step 6: Final answer
    x = 135,459.78

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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.