Home / 123,848.28-170,910.66-67,259.64

Finding the Fourth Proportional to 123,848.28, 170,910.66 and 67,259.64

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Solution

The fourth proportional to 123,848.28, 170,910.66 and 67,259.64 is: 92,818.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,848.28 : 170,910.66 = 67,259.64 : x
  2. Step 2: Convert to fraction form
    123,848.28/170,910.66 = 67,259.64/x
  3. Step 3: Cross multiply
    123,848.28x = 170,910.66 × 67,259.64
  4. Step 4: Simplify right side
    123,848.28x = 11,495,389,463.76
  5. Step 5: Solve for x
    x = 11,495,389,463.76/123,848.28
  6. Step 6: Final answer
    x = 92,818.32

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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.