Home / 147,907.28-204,280.31-99,425.00

Finding the Fourth Proportional to 147,907.28, 204,280.31 and 99,425.00

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Solution

The fourth proportional to 147,907.28, 204,280.31 and 99,425.00 is: 137,319.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,907.28 : 204,280.31 = 99,425.00 : x
  2. Step 2: Convert to fraction form
    147,907.28/204,280.31 = 99,425.00/x
  3. Step 3: Cross multiply
    147,907.28x = 204,280.31 × 99,425.00
  4. Step 4: Simplify right side
    147,907.28x = 20,310,570,581.01
  5. Step 5: Solve for x
    x = 20,310,570,581.01/147,907.28
  6. Step 6: Final answer
    x = 137,319.61

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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.