Home / 122,381.20-169,058.12-94,445.92

Finding the Fourth Proportional to 122,381.20, 169,058.12 and 94,445.92

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Solution

The fourth proportional to 122,381.20, 169,058.12 and 94,445.92 is: 130,468.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,381.20 : 169,058.12 = 94,445.92 : x
  2. Step 2: Convert to fraction form
    122,381.20/169,058.12 = 94,445.92/x
  3. Step 3: Cross multiply
    122,381.20x = 169,058.12 × 94,445.92
  4. Step 4: Simplify right side
    122,381.20x = 15,966,849,676.87
  5. Step 5: Solve for x
    x = 15,966,849,676.87/122,381.20
  6. Step 6: Final answer
    x = 130,468.16

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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.