Home / 156,920-235,377.90-38,592.35

Finding the Fourth Proportional to 156,920, 235,377.90 and 38,592.35

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Solution

The fourth proportional to 156,920, 235,377.90 and 38,592.35 is: 57,888.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,920 : 235,377.90 = 38,592.35 : x
  2. Step 2: Convert to fraction form
    156,920/235,377.90 = 38,592.35/x
  3. Step 3: Cross multiply
    156,920x = 235,377.90 × 38,592.35
  4. Step 4: Simplify right side
    156,920x = 9,083,786,299.07
  5. Step 5: Solve for x
    x = 9,083,786,299.07/156,920
  6. Step 6: Final answer
    x = 57,888.01

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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.