Home / 156,916-235,360.65-62,120.40

Finding the Fourth Proportional to 156,916, 235,360.65 and 62,120.40

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Solution

The fourth proportional to 156,916, 235,360.65 and 62,120.40 is: 93,175.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,916 : 235,360.65 = 62,120.40 : x
  2. Step 2: Convert to fraction form
    156,916/235,360.65 = 62,120.40/x
  3. Step 3: Cross multiply
    156,916x = 235,360.65 × 62,120.40
  4. Step 4: Simplify right side
    156,916x = 14,620,697,722.26
  5. Step 5: Solve for x
    x = 14,620,697,722.26/156,916
  6. Step 6: Final answer
    x = 93,175.31

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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.