Home / 153,225.64-229,363.26-82,930.60

Finding the Fourth Proportional to 153,225.64, 229,363.26 and 82,930.60

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Solution

The fourth proportional to 153,225.64, 229,363.26 and 82,930.60 is: 124,138.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,225.64 : 229,363.26 = 82,930.60 : x
  2. Step 2: Convert to fraction form
    153,225.64/229,363.26 = 82,930.60/x
  3. Step 3: Cross multiply
    153,225.64x = 229,363.26 × 82,930.60
  4. Step 4: Simplify right side
    153,225.64x = 19,021,232,769.76
  5. Step 5: Solve for x
    x = 19,021,232,769.76/153,225.64
  6. Step 6: Final answer
    x = 124,138.71

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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.