Home / 657,685.65-986,151.66-202,158.26

Finding the Fourth Proportional to 657,685.65, 986,151.66 and 202,158.26

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Solution

The fourth proportional to 657,685.65, 986,151.66 and 202,158.26 is: 303,121.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,685.65 : 986,151.66 = 202,158.26 : x
  2. Step 2: Convert to fraction form
    657,685.65/986,151.66 = 202,158.26/x
  3. Step 3: Cross multiply
    657,685.65x = 986,151.66 × 202,158.26
  4. Step 4: Simplify right side
    657,685.65x = 199,358,698,750.95
  5. Step 5: Solve for x
    x = 199,358,698,750.95/657,685.65
  6. Step 6: Final answer
    x = 303,121.56

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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.