Home / 213,139.55-294,132.60-117,646.27

Finding the Fourth Proportional to 213,139.55, 294,132.60 and 117,646.27

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Solution

The fourth proportional to 213,139.55, 294,132.60 and 117,646.27 is: 162,351.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,139.55 : 294,132.60 = 117,646.27 : x
  2. Step 2: Convert to fraction form
    213,139.55/294,132.60 = 117,646.27/x
  3. Step 3: Cross multiply
    213,139.55x = 294,132.60 × 117,646.27
  4. Step 4: Simplify right side
    213,139.55x = 34,603,603,275.40
  5. Step 5: Solve for x
    x = 34,603,603,275.40/213,139.55
  6. Step 6: Final answer
    x = 162,351.86

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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.