Home / 122,327.96-168,888.27-81,549.52

Finding the Fourth Proportional to 122,327.96, 168,888.27 and 81,549.52

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Solution

The fourth proportional to 122,327.96, 168,888.27 and 81,549.52 is: 112,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,327.96 : 168,888.27 = 81,549.52 : x
  2. Step 2: Convert to fraction form
    122,327.96/168,888.27 = 81,549.52/x
  3. Step 3: Cross multiply
    122,327.96x = 168,888.27 × 81,549.52
  4. Step 4: Simplify right side
    122,327.96x = 13,772,757,235.72
  5. Step 5: Solve for x
    x = 13,772,757,235.72/122,327.96
  6. Step 6: Final answer
    x = 112,588.80

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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.