Home / 126,956.40-175,210.20-70,384.56

Finding the Fourth Proportional to 126,956.40, 175,210.20 and 70,384.56

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Solution

The fourth proportional to 126,956.40, 175,210.20 and 70,384.56 is: 97,136.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,956.40 : 175,210.20 = 70,384.56 : x
  2. Step 2: Convert to fraction form
    126,956.40/175,210.20 = 70,384.56/x
  3. Step 3: Cross multiply
    126,956.40x = 175,210.20 × 70,384.56
  4. Step 4: Simplify right side
    126,956.40x = 12,332,092,834.51
  5. Step 5: Solve for x
    x = 12,332,092,834.51/126,956.40
  6. Step 6: Final answer
    x = 97,136.44

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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.