Home / 248,079.76-342,359.08-142,116.24

Finding the Fourth Proportional to 248,079.76, 342,359.08 and 142,116.24

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Solution

The fourth proportional to 248,079.76, 342,359.08 and 142,116.24 is: 196,125.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,079.76 : 342,359.08 = 142,116.24 : x
  2. Step 2: Convert to fraction form
    248,079.76/342,359.08 = 142,116.24/x
  3. Step 3: Cross multiply
    248,079.76x = 342,359.08 × 142,116.24
  4. Step 4: Simplify right side
    248,079.76x = 48,654,785,179.46
  5. Step 5: Solve for x
    x = 48,654,785,179.46/248,079.76
  6. Step 6: Final answer
    x = 196,125.57

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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.