Home / 259,462.16-389,240.28-117,374.36

Finding the Fourth Proportional to 259,462.16, 389,240.28 and 117,374.36

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Solution

The fourth proportional to 259,462.16, 389,240.28 and 117,374.36 is: 176,082.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,462.16 : 389,240.28 = 117,374.36 : x
  2. Step 2: Convert to fraction form
    259,462.16/389,240.28 = 117,374.36/x
  3. Step 3: Cross multiply
    259,462.16x = 389,240.28 × 117,374.36
  4. Step 4: Simplify right side
    259,462.16x = 45,686,828,751.22
  5. Step 5: Solve for x
    x = 45,686,828,751.22/259,462.16
  6. Step 6: Final answer
    x = 176,082.82

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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.