Home / 358,438.07-537,656.45-105,895.96

Finding the Fourth Proportional to 358,438.07, 537,656.45 and 105,895.96

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Solution

The fourth proportional to 358,438.07, 537,656.45 and 105,895.96 is: 158,843.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,438.07 : 537,656.45 = 105,895.96 : x
  2. Step 2: Convert to fraction form
    358,438.07/537,656.45 = 105,895.96/x
  3. Step 3: Cross multiply
    358,438.07x = 537,656.45 × 105,895.96
  4. Step 4: Simplify right side
    358,438.07x = 56,935,645,922.94
  5. Step 5: Solve for x
    x = 56,935,645,922.94/358,438.07
  6. Step 6: Final answer
    x = 158,843.75

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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.