Home / 126,798.01-174,986.53-70,209.38

Finding the Fourth Proportional to 126,798.01, 174,986.53 and 70,209.38

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Solution

The fourth proportional to 126,798.01, 174,986.53 and 70,209.38 is: 96,891.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,798.01 : 174,986.53 = 70,209.38 : x
  2. Step 2: Convert to fraction form
    126,798.01/174,986.53 = 70,209.38/x
  3. Step 3: Cross multiply
    126,798.01x = 174,986.53 × 70,209.38
  4. Step 4: Simplify right side
    126,798.01x = 12,285,696,041.59
  5. Step 5: Solve for x
    x = 12,285,696,041.59/126,798.01
  6. Step 6: Final answer
    x = 96,891.87

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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.