Home / 358,506.12-537,774.03-105,786.61

Finding the Fourth Proportional to 358,506.12, 537,774.03 and 105,786.61

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Solution

The fourth proportional to 358,506.12, 537,774.03 and 105,786.61 is: 158,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,506.12 : 537,774.03 = 105,786.61 : x
  2. Step 2: Convert to fraction form
    358,506.12/537,774.03 = 105,786.61/x
  3. Step 3: Cross multiply
    358,506.12x = 537,774.03 × 105,786.61
  4. Step 4: Simplify right side
    358,506.12x = 56,889,291,855.26
  5. Step 5: Solve for x
    x = 56,889,291,855.26/358,506.12
  6. Step 6: Final answer
    x = 158,684.30

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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.