Home / 128,044.35-176,711.00-70,694.73

Finding the Fourth Proportional to 128,044.35, 176,711.00 and 70,694.73

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Solution

The fourth proportional to 128,044.35, 176,711.00 and 70,694.73 is: 97,564.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,044.35 : 176,711.00 = 70,694.73 : x
  2. Step 2: Convert to fraction form
    128,044.35/176,711.00 = 70,694.73/x
  3. Step 3: Cross multiply
    128,044.35x = 176,711.00 × 70,694.73
  4. Step 4: Simplify right side
    128,044.35x = 12,492,536,079.56
  5. Step 5: Solve for x
    x = 12,492,536,079.56/128,044.35
  6. Step 6: Final answer
    x = 97,564.13

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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.