Home / 207,319.24-310,985.34-57,561.04

Finding the Fourth Proportional to 207,319.24, 310,985.34 and 57,561.04

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Solution

The fourth proportional to 207,319.24, 310,985.34 and 57,561.04 is: 86,343.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,319.24 : 310,985.34 = 57,561.04 : x
  2. Step 2: Convert to fraction form
    207,319.24/310,985.34 = 57,561.04/x
  3. Step 3: Cross multiply
    207,319.24x = 310,985.34 × 57,561.04
  4. Step 4: Simplify right side
    207,319.24x = 17,900,639,595.15
  5. Step 5: Solve for x
    x = 17,900,639,595.15/207,319.24
  6. Step 6: Final answer
    x = 86,343.36

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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.