Home / 180,159.12-248,615.20-99,584.58

Finding the Fourth Proportional to 180,159.12, 248,615.20 and 99,584.58

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Solution

The fourth proportional to 180,159.12, 248,615.20 and 99,584.58 is: 137,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,159.12 : 248,615.20 = 99,584.58 : x
  2. Step 2: Convert to fraction form
    180,159.12/248,615.20 = 99,584.58/x
  3. Step 3: Cross multiply
    180,159.12x = 248,615.20 × 99,584.58
  4. Step 4: Simplify right side
    180,159.12x = 24,758,240,273.62
  5. Step 5: Solve for x
    x = 24,758,240,273.62/180,159.12
  6. Step 6: Final answer
    x = 137,424.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.