Home / 96,055.40-144,083.10-90,218.60

Finding the Fourth Proportional to 96,055.40, 144,083.10 and 90,218.60

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Solution

The fourth proportional to 96,055.40, 144,083.10 and 90,218.60 is: 135,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,055.40 : 144,083.10 = 90,218.60 : x
  2. Step 2: Convert to fraction form
    96,055.40/144,083.10 = 90,218.60/x
  3. Step 3: Cross multiply
    96,055.40x = 144,083.10 × 90,218.60
  4. Step 4: Simplify right side
    96,055.40x = 12,998,975,565.66
  5. Step 5: Solve for x
    x = 12,998,975,565.66/96,055.40
  6. Step 6: Final answer
    x = 135,327.90

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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.