Home / 126,569.66-174,669.63-69,983.06

Finding the Fourth Proportional to 126,569.66, 174,669.63 and 69,983.06

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Solution

The fourth proportional to 126,569.66, 174,669.63 and 69,983.06 is: 96,578.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,569.66 : 174,669.63 = 69,983.06 : x
  2. Step 2: Convert to fraction form
    126,569.66/174,669.63 = 69,983.06/x
  3. Step 3: Cross multiply
    126,569.66x = 174,669.63 × 69,983.06
  4. Step 4: Simplify right side
    126,569.66x = 12,223,915,196.47
  5. Step 5: Solve for x
    x = 12,223,915,196.47/126,569.66
  6. Step 6: Final answer
    x = 96,578.56

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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.