Home / 124,600.20-186,900.30-121,319.70

Finding the Fourth Proportional to 124,600.20, 186,900.30 and 121,319.70

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Solution

The fourth proportional to 124,600.20, 186,900.30 and 121,319.70 is: 181,979.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,600.20 : 186,900.30 = 121,319.70 : x
  2. Step 2: Convert to fraction form
    124,600.20/186,900.30 = 121,319.70/x
  3. Step 3: Cross multiply
    124,600.20x = 186,900.30 × 121,319.70
  4. Step 4: Simplify right side
    124,600.20x = 22,674,688,325.91
  5. Step 5: Solve for x
    x = 22,674,688,325.91/124,600.20
  6. Step 6: Final answer
    x = 181,979.55

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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.