Home / 289,366.11-434,173.64-156,219.93

Finding the Fourth Proportional to 289,366.11, 434,173.64 and 156,219.93

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Solution

The fourth proportional to 289,366.11, 434,173.64 and 156,219.93 is: 234,397.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,366.11 : 434,173.64 = 156,219.93 : x
  2. Step 2: Convert to fraction form
    289,366.11/434,173.64 = 156,219.93/x
  3. Step 3: Cross multiply
    289,366.11x = 434,173.64 × 156,219.93
  4. Step 4: Simplify right side
    289,366.11x = 67,826,574,867.55
  5. Step 5: Solve for x
    x = 67,826,574,867.55/289,366.11
  6. Step 6: Final answer
    x = 234,397.09

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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.