Home / 228,027.12-341,706.96-128,381.74

Finding the Fourth Proportional to 228,027.12, 341,706.96 and 128,381.74

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Solution

The fourth proportional to 228,027.12, 341,706.96 and 128,381.74 is: 192,384.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,027.12 : 341,706.96 = 128,381.74 : x
  2. Step 2: Convert to fraction form
    228,027.12/341,706.96 = 128,381.74/x
  3. Step 3: Cross multiply
    228,027.12x = 341,706.96 × 128,381.74
  4. Step 4: Simplify right side
    228,027.12x = 43,868,934,094.91
  5. Step 5: Solve for x
    x = 43,868,934,094.91/228,027.12
  6. Step 6: Final answer
    x = 192,384.72

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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.