Home / 122,514.42-169,088.20-74,795.24

Finding the Fourth Proportional to 122,514.42, 169,088.20 and 74,795.24

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Solution

The fourth proportional to 122,514.42, 169,088.20 and 74,795.24 is: 103,228.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,514.42 : 169,088.20 = 74,795.24 : x
  2. Step 2: Convert to fraction form
    122,514.42/169,088.20 = 74,795.24/x
  3. Step 3: Cross multiply
    122,514.42x = 169,088.20 × 74,795.24
  4. Step 4: Simplify right side
    122,514.42x = 12,646,992,500.17
  5. Step 5: Solve for x
    x = 12,646,992,500.17/122,514.42
  6. Step 6: Final answer
    x = 103,228.60

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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.