Home / 157,976.10-218,011.20-94,350.60

Finding the Fourth Proportional to 157,976.10, 218,011.20 and 94,350.60

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Solution

The fourth proportional to 157,976.10, 218,011.20 and 94,350.60 is: 130,206.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,976.10 : 218,011.20 = 94,350.60 : x
  2. Step 2: Convert to fraction form
    157,976.10/218,011.20 = 94,350.60/x
  3. Step 3: Cross multiply
    157,976.10x = 218,011.20 × 94,350.60
  4. Step 4: Simplify right side
    157,976.10x = 20,569,487,526.72
  5. Step 5: Solve for x
    x = 20,569,487,526.72/157,976.10
  6. Step 6: Final answer
    x = 130,206.33

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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.