Home / 117,010.10-175,515.15-103,450.70

Finding the Fourth Proportional to 117,010.10, 175,515.15 and 103,450.70

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Solution

The fourth proportional to 117,010.10, 175,515.15 and 103,450.70 is: 155,176.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,010.10 : 175,515.15 = 103,450.70 : x
  2. Step 2: Convert to fraction form
    117,010.10/175,515.15 = 103,450.70/x
  3. Step 3: Cross multiply
    117,010.10x = 175,515.15 × 103,450.70
  4. Step 4: Simplify right side
    117,010.10x = 18,157,165,128.11
  5. Step 5: Solve for x
    x = 18,157,165,128.11/117,010.10
  6. Step 6: Final answer
    x = 155,176.05

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1.5x scale

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.