Home / 358,070.72-537,065.92-91,837.48

Finding the Fourth Proportional to 358,070.72, 537,065.92 and 91,837.48

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Solution

The fourth proportional to 358,070.72, 537,065.92 and 91,837.48 is: 137,745.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,070.72 : 537,065.92 = 91,837.48 : x
  2. Step 2: Convert to fraction form
    358,070.72/537,065.92 = 91,837.48/x
  3. Step 3: Cross multiply
    358,070.72x = 537,065.92 × 91,837.48
  4. Step 4: Simplify right side
    358,070.72x = 49,322,780,686.68
  5. Step 5: Solve for x
    x = 49,322,780,686.68/358,070.72
  6. Step 6: Final answer
    x = 137,745.92

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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.