Home / 228,264.11-342,439.20-70,455.66

Finding the Fourth Proportional to 228,264.11, 342,439.20 and 70,455.66

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Solution

The fourth proportional to 228,264.11, 342,439.20 and 70,455.66 is: 105,696.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,264.11 : 342,439.20 = 70,455.66 : x
  2. Step 2: Convert to fraction form
    228,264.11/342,439.20 = 70,455.66/x
  3. Step 3: Cross multiply
    228,264.11x = 342,439.20 × 70,455.66
  4. Step 4: Simplify right side
    228,264.11x = 24,126,779,845.87
  5. Step 5: Solve for x
    x = 24,126,779,845.87/228,264.11
  6. Step 6: Final answer
    x = 105,696.77

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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.