Home / 122,656.67-169,251.04-70,982.63

Finding the Fourth Proportional to 122,656.67, 169,251.04 and 70,982.63

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Solution

The fourth proportional to 122,656.67, 169,251.04 and 70,982.63 is: 97,947.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,656.67 : 169,251.04 = 70,982.63 : x
  2. Step 2: Convert to fraction form
    122,656.67/169,251.04 = 70,982.63/x
  3. Step 3: Cross multiply
    122,656.67x = 169,251.04 × 70,982.63
  4. Step 4: Simplify right side
    122,656.67x = 12,013,883,949.44
  5. Step 5: Solve for x
    x = 12,013,883,949.44/122,656.67
  6. Step 6: Final answer
    x = 97,947.25

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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.