Home / 128,415.17-192,574.85-44,151.47

Finding the Fourth Proportional to 128,415.17, 192,574.85 and 44,151.47

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Solution

The fourth proportional to 128,415.17, 192,574.85 and 44,151.47 is: 66,210.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,415.17 : 192,574.85 = 44,151.47 : x
  2. Step 2: Convert to fraction form
    128,415.17/192,574.85 = 44,151.47/x
  3. Step 3: Cross multiply
    128,415.17x = 192,574.85 × 44,151.47
  4. Step 4: Simplify right side
    128,415.17x = 8,502,461,528.90
  5. Step 5: Solve for x
    x = 8,502,461,528.90/128,415.17
  6. Step 6: Final answer
    x = 66,210.73

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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.