Home / 153,760.04-230,713.88-83,639.36

Finding the Fourth Proportional to 153,760.04, 230,713.88 and 83,639.36

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Solution

The fourth proportional to 153,760.04, 230,713.88 and 83,639.36 is: 125,499.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,760.04 : 230,713.88 = 83,639.36 : x
  2. Step 2: Convert to fraction form
    153,760.04/230,713.88 = 83,639.36/x
  3. Step 3: Cross multiply
    153,760.04x = 230,713.88 × 83,639.36
  4. Step 4: Simplify right side
    153,760.04x = 19,296,761,266.32
  5. Step 5: Solve for x
    x = 19,296,761,266.32/153,760.04
  6. Step 6: Final answer
    x = 125,499.20

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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.