Home / 118,117.98-176,638.30-88,153.38

Finding the Fourth Proportional to 118,117.98, 176,638.30 and 88,153.38

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Solution

The fourth proportional to 118,117.98, 176,638.30 and 88,153.38 is: 131,828.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,117.98 : 176,638.30 = 88,153.38 : x
  2. Step 2: Convert to fraction form
    118,117.98/176,638.30 = 88,153.38/x
  3. Step 3: Cross multiply
    118,117.98x = 176,638.30 × 88,153.38
  4. Step 4: Simplify right side
    118,117.98x = 15,571,263,182.45
  5. Step 5: Solve for x
    x = 15,571,263,182.45/118,117.98
  6. Step 6: Final answer
    x = 131,828.05

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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.