Home / 255,205.13-382,761.22-75,253.30

Finding the Fourth Proportional to 255,205.13, 382,761.22 and 75,253.30

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Solution

The fourth proportional to 255,205.13, 382,761.22 and 75,253.30 is: 112,866.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,205.13 : 382,761.22 = 75,253.30 : x
  2. Step 2: Convert to fraction form
    255,205.13/382,761.22 = 75,253.30/x
  3. Step 3: Cross multiply
    255,205.13x = 382,761.22 × 75,253.30
  4. Step 4: Simplify right side
    255,205.13x = 28,804,046,277.77
  5. Step 5: Solve for x
    x = 28,804,046,277.77/255,205.13
  6. Step 6: Final answer
    x = 112,866.25

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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.