Home / 389,154.13-583,748.68-119,262.50

Finding the Fourth Proportional to 389,154.13, 583,748.68 and 119,262.50

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Solution

The fourth proportional to 389,154.13, 583,748.68 and 119,262.50 is: 178,899.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,154.13 : 583,748.68 = 119,262.50 : x
  2. Step 2: Convert to fraction form
    389,154.13/583,748.68 = 119,262.50/x
  3. Step 3: Cross multiply
    389,154.13x = 583,748.68 × 119,262.50
  4. Step 4: Simplify right side
    389,154.13x = 69,619,326,367.89
  5. Step 5: Solve for x
    x = 69,619,326,367.89/389,154.13
  6. Step 6: Final answer
    x = 178,899.11

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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.