Home / 207,569.50-311,354.55-57,810.22

Finding the Fourth Proportional to 207,569.50, 311,354.55 and 57,810.22

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Solution

The fourth proportional to 207,569.50, 311,354.55 and 57,810.22 is: 86,715.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,569.50 : 311,354.55 = 57,810.22 : x
  2. Step 2: Convert to fraction form
    207,569.50/311,354.55 = 57,810.22/x
  3. Step 3: Cross multiply
    207,569.50x = 311,354.55 × 57,810.22
  4. Step 4: Simplify right side
    207,569.50x = 17,999,474,255.11
  5. Step 5: Solve for x
    x = 17,999,474,255.11/207,569.50
  6. Step 6: Final answer
    x = 86,715.41

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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.