Home / 128,298.12-192,392.13-44,066.76

Finding the Fourth Proportional to 128,298.12, 192,392.13 and 44,066.76

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Solution

The fourth proportional to 128,298.12, 192,392.13 and 44,066.76 is: 66,081.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,298.12 : 192,392.13 = 44,066.76 : x
  2. Step 2: Convert to fraction form
    128,298.12/192,392.13 = 44,066.76/x
  3. Step 3: Cross multiply
    128,298.12x = 192,392.13 × 44,066.76
  4. Step 4: Simplify right side
    128,298.12x = 8,478,097,818.60
  5. Step 5: Solve for x
    x = 8,478,097,818.60/128,298.12
  6. Step 6: Final answer
    x = 66,081.23

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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.