Home / 213,642.15-294,778.01-127,585.53

Finding the Fourth Proportional to 213,642.15, 294,778.01 and 127,585.53

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Solution

The fourth proportional to 213,642.15, 294,778.01 and 127,585.53 is: 176,039.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,642.15 : 294,778.01 = 127,585.53 : x
  2. Step 2: Convert to fraction form
    213,642.15/294,778.01 = 127,585.53/x
  3. Step 3: Cross multiply
    213,642.15x = 294,778.01 × 127,585.53
  4. Step 4: Simplify right side
    213,642.15x = 37,609,408,000.27
  5. Step 5: Solve for x
    x = 37,609,408,000.27/213,642.15
  6. Step 6: Final answer
    x = 176,039.27

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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.