Home / 142,059.25-213,089.28-36,879.13

Finding the Fourth Proportional to 142,059.25, 213,089.28 and 36,879.13

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Solution

The fourth proportional to 142,059.25, 213,089.28 and 36,879.13 is: 55,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,059.25 : 213,089.28 = 36,879.13 : x
  2. Step 2: Convert to fraction form
    142,059.25/213,089.28 = 36,879.13/x
  3. Step 3: Cross multiply
    142,059.25x = 213,089.28 × 36,879.13
  4. Step 4: Simplify right side
    142,059.25x = 7,858,547,258.73
  5. Step 5: Solve for x
    x = 7,858,547,258.73/142,059.25
  6. Step 6: Final answer
    x = 55,318.80

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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.