Home / 242,550.76-334,722.28-135,120.44

Finding the Fourth Proportional to 242,550.76, 334,722.28 and 135,120.44

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Solution

The fourth proportional to 242,550.76, 334,722.28 and 135,120.44 is: 186,467.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,550.76 : 334,722.28 = 135,120.44 : x
  2. Step 2: Convert to fraction form
    242,550.76/334,722.28 = 135,120.44/x
  3. Step 3: Cross multiply
    242,550.76x = 334,722.28 × 135,120.44
  4. Step 4: Simplify right side
    242,550.76x = 45,227,821,751.40
  5. Step 5: Solve for x
    x = 45,227,821,751.40/242,550.76
  6. Step 6: Final answer
    x = 186,467.45

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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.