Home / 358,208.46-537,127.20-105,456.06

Finding the Fourth Proportional to 358,208.46, 537,127.20 and 105,456.06

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Solution

The fourth proportional to 358,208.46, 537,127.20 and 105,456.06 is: 158,129.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,208.46 : 537,127.20 = 105,456.06 : x
  2. Step 2: Convert to fraction form
    358,208.46/537,127.20 = 105,456.06/x
  3. Step 3: Cross multiply
    358,208.46x = 537,127.20 × 105,456.06
  4. Step 4: Simplify right side
    358,208.46x = 56,643,318,230.83
  5. Step 5: Solve for x
    x = 56,643,318,230.83/358,208.46
  6. Step 6: Final answer
    x = 158,129.48

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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.