Home / 155,801.46-215,050.06-92,161.38

Finding the Fourth Proportional to 155,801.46, 215,050.06 and 92,161.38

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Solution

The fourth proportional to 155,801.46, 215,050.06 and 92,161.38 is: 127,208.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,801.46 : 215,050.06 = 92,161.38 : x
  2. Step 2: Convert to fraction form
    155,801.46/215,050.06 = 92,161.38/x
  3. Step 3: Cross multiply
    155,801.46x = 215,050.06 × 92,161.38
  4. Step 4: Simplify right side
    155,801.46x = 19,819,310,298.68
  5. Step 5: Solve for x
    x = 19,819,310,298.68/155,801.46
  6. Step 6: Final answer
    x = 127,208.76

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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.