Home / 153,904.20-230,921.10-83,833.80

Finding the Fourth Proportional to 153,904.20, 230,921.10 and 83,833.80

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Solution

The fourth proportional to 153,904.20, 230,921.10 and 83,833.80 is: 125,786.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,904.20 : 230,921.10 = 83,833.80 : x
  2. Step 2: Convert to fraction form
    153,904.20/230,921.10 = 83,833.80/x
  3. Step 3: Cross multiply
    153,904.20x = 230,921.10 × 83,833.80
  4. Step 4: Simplify right side
    153,904.20x = 19,358,993,313.18
  5. Step 5: Solve for x
    x = 19,358,993,313.18/153,904.20
  6. Step 6: Final answer
    x = 125,786.00

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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.