Home / 122,601.48-169,208.34-74,882.28

Finding the Fourth Proportional to 122,601.48, 169,208.34 and 74,882.28

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Solution

The fourth proportional to 122,601.48, 169,208.34 and 74,882.28 is: 103,348.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,601.48 : 169,208.34 = 74,882.28 : x
  2. Step 2: Convert to fraction form
    122,601.48/169,208.34 = 74,882.28/x
  3. Step 3: Cross multiply
    122,601.48x = 169,208.34 × 74,882.28
  4. Step 4: Simplify right side
    122,601.48x = 12,670,706,294.22
  5. Step 5: Solve for x
    x = 12,670,706,294.22/122,601.48
  6. Step 6: Final answer
    x = 103,348.72

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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.