Home / 113,283.87-156,319.62-65,528.29

Finding the Fourth Proportional to 113,283.87, 156,319.62 and 65,528.29

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Solution

The fourth proportional to 113,283.87, 156,319.62 and 65,528.29 is: 90,422.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,283.87 : 156,319.62 = 65,528.29 : x
  2. Step 2: Convert to fraction form
    113,283.87/156,319.62 = 65,528.29/x
  3. Step 3: Cross multiply
    113,283.87x = 156,319.62 × 65,528.29
  4. Step 4: Simplify right side
    113,283.87x = 10,243,357,710.31
  5. Step 5: Solve for x
    x = 10,243,357,710.31/113,283.87
  6. Step 6: Final answer
    x = 90,422.03

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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.