Home / 657,106.16-985,780.73-207,940.10

Finding the Fourth Proportional to 657,106.16, 985,780.73 and 207,940.10

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Solution

The fourth proportional to 657,106.16, 985,780.73 and 207,940.10 is: 311,948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,106.16 : 985,780.73 = 207,940.10 : x
  2. Step 2: Convert to fraction form
    657,106.16/985,780.73 = 207,940.10/x
  3. Step 3: Cross multiply
    657,106.16x = 985,780.73 × 207,940.10
  4. Step 4: Simplify right side
    657,106.16x = 204,983,343,574.27
  5. Step 5: Solve for x
    x = 204,983,343,574.27/657,106.16
  6. Step 6: Final answer
    x = 311,948.60

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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.