Home / 175,689.12-263,203.02-86,838.60

Finding the Fourth Proportional to 175,689.12, 263,203.02 and 86,838.60

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Solution

The fourth proportional to 175,689.12, 263,203.02 and 86,838.60 is: 130,094.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,689.12 : 263,203.02 = 86,838.60 : x
  2. Step 2: Convert to fraction form
    175,689.12/263,203.02 = 86,838.60/x
  3. Step 3: Cross multiply
    175,689.12x = 263,203.02 × 86,838.60
  4. Step 4: Simplify right side
    175,689.12x = 22,856,181,772.57
  5. Step 5: Solve for x
    x = 22,856,181,772.57/175,689.12
  6. Step 6: Final answer
    x = 130,094.46

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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.