Home / 175,441.25-242,094.21-103,808.72

Finding the Fourth Proportional to 175,441.25, 242,094.21 and 103,808.72

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Solution

The fourth proportional to 175,441.25, 242,094.21 and 103,808.72 is: 143,247.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,441.25 : 242,094.21 = 103,808.72 : x
  2. Step 2: Convert to fraction form
    175,441.25/242,094.21 = 103,808.72/x
  3. Step 3: Cross multiply
    175,441.25x = 242,094.21 × 103,808.72
  4. Step 4: Simplify right side
    175,441.25x = 25,131,490,059.51
  5. Step 5: Solve for x
    x = 25,131,490,059.51/175,441.25
  6. Step 6: Final answer
    x = 143,247.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.