Home / 142,626.52-213,823.14-53,829.46

Finding the Fourth Proportional to 142,626.52, 213,823.14 and 53,829.46

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Solution

The fourth proportional to 142,626.52, 213,823.14 and 53,829.46 is: 80,700.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,626.52 : 213,823.14 = 53,829.46 : x
  2. Step 2: Convert to fraction form
    142,626.52/213,823.14 = 53,829.46/x
  3. Step 3: Cross multiply
    142,626.52x = 213,823.14 × 53,829.46
  4. Step 4: Simplify right side
    142,626.52x = 11,509,984,161.70
  5. Step 5: Solve for x
    x = 11,509,984,161.70/142,626.52
  6. Step 6: Final answer
    x = 80,700.17

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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.