Home / 153,145.28-229,483.44-103,039.76

Finding the Fourth Proportional to 153,145.28, 229,483.44 and 103,039.76

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Solution

The fourth proportional to 153,145.28, 229,483.44 and 103,039.76 is: 154,401.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,145.28 : 229,483.44 = 103,039.76 : x
  2. Step 2: Convert to fraction form
    153,145.28/229,483.44 = 103,039.76/x
  3. Step 3: Cross multiply
    153,145.28x = 229,483.44 × 103,039.76
  4. Step 4: Simplify right side
    153,145.28x = 23,645,918,581.57
  5. Step 5: Solve for x
    x = 23,645,918,581.57/153,145.28
  6. Step 6: Final answer
    x = 154,401.88

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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.