Home / 122,841.12-184,254.18-72,268.14

Finding the Fourth Proportional to 122,841.12, 184,254.18 and 72,268.14

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Solution

The fourth proportional to 122,841.12, 184,254.18 and 72,268.14 is: 108,397.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,841.12 : 184,254.18 = 72,268.14 : x
  2. Step 2: Convert to fraction form
    122,841.12/184,254.18 = 72,268.14/x
  3. Step 3: Cross multiply
    122,841.12x = 184,254.18 × 72,268.14
  4. Step 4: Simplify right side
    122,841.12x = 13,315,706,875.83
  5. Step 5: Solve for x
    x = 13,315,706,875.83/122,841.12
  6. Step 6: Final answer
    x = 108,397.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.