Home / 156,717.15-235,075.73-45,909.15

Finding the Fourth Proportional to 156,717.15, 235,075.73 and 45,909.15

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Solution

The fourth proportional to 156,717.15, 235,075.73 and 45,909.15 is: 68,863.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,717.15 : 235,075.73 = 45,909.15 : x
  2. Step 2: Convert to fraction form
    156,717.15/235,075.73 = 45,909.15/x
  3. Step 3: Cross multiply
    156,717.15x = 235,075.73 × 45,909.15
  4. Step 4: Simplify right side
    156,717.15x = 10,792,126,949.93
  5. Step 5: Solve for x
    x = 10,792,126,949.93/156,717.15
  6. Step 6: Final answer
    x = 68,863.73

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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.