Home / 156,781.22-235,210.90-45,973.22

Finding the Fourth Proportional to 156,781.22, 235,210.90 and 45,973.22

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Solution

The fourth proportional to 156,781.22, 235,210.90 and 45,973.22 is: 68,971.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,781.22 : 235,210.90 = 45,973.22 : x
  2. Step 2: Convert to fraction form
    156,781.22/235,210.90 = 45,973.22/x
  3. Step 3: Cross multiply
    156,781.22x = 235,210.90 × 45,973.22
  4. Step 4: Simplify right side
    156,781.22x = 10,813,402,452.10
  5. Step 5: Solve for x
    x = 10,813,402,452.10/156,781.22
  6. Step 6: Final answer
    x = 68,971.29

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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.