Home / 140,663.50-194,206.16-125,530.15

Finding the Fourth Proportional to 140,663.50, 194,206.16 and 125,530.15

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Solution

The fourth proportional to 140,663.50, 194,206.16 and 125,530.15 is: 173,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,663.50 : 194,206.16 = 125,530.15 : x
  2. Step 2: Convert to fraction form
    140,663.50/194,206.16 = 125,530.15/x
  3. Step 3: Cross multiply
    140,663.50x = 194,206.16 × 125,530.15
  4. Step 4: Simplify right side
    140,663.50x = 24,378,728,395.72
  5. Step 5: Solve for x
    x = 24,378,728,395.72/140,663.50
  6. Step 6: Final answer
    x = 173,312.40

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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.