Home / 153,917.60-230,876.40-83,933.60

Finding the Fourth Proportional to 153,917.60, 230,876.40 and 83,933.60

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Solution

The fourth proportional to 153,917.60, 230,876.40 and 83,933.60 is: 125,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,917.60 : 230,876.40 = 83,933.60 : x
  2. Step 2: Convert to fraction form
    153,917.60/230,876.40 = 83,933.60/x
  3. Step 3: Cross multiply
    153,917.60x = 230,876.40 × 83,933.60
  4. Step 4: Simplify right side
    153,917.60x = 19,378,287,407.04
  5. Step 5: Solve for x
    x = 19,378,287,407.04/153,917.60
  6. Step 6: Final answer
    x = 125,900.40

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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.