Home / 152,139.90-227,772.45-134,643.90

Finding the Fourth Proportional to 152,139.90, 227,772.45 and 134,643.90

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Solution

The fourth proportional to 152,139.90, 227,772.45 and 134,643.90 is: 201,578.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,139.90 : 227,772.45 = 134,643.90 : x
  2. Step 2: Convert to fraction form
    152,139.90/227,772.45 = 134,643.90/x
  3. Step 3: Cross multiply
    152,139.90x = 227,772.45 × 134,643.90
  4. Step 4: Simplify right side
    152,139.90x = 30,668,170,980.56
  5. Step 5: Solve for x
    x = 30,668,170,980.56/152,139.90
  6. Step 6: Final answer
    x = 201,578.75

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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.