Home / 242,923.63-335,235.20-135,500.62

Finding the Fourth Proportional to 242,923.63, 335,235.20 and 135,500.62

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Solution

The fourth proportional to 242,923.63, 335,235.20 and 135,500.62 is: 186,991.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,923.63 : 335,235.20 = 135,500.62 : x
  2. Step 2: Convert to fraction form
    242,923.63/335,235.20 = 135,500.62/x
  3. Step 3: Cross multiply
    242,923.63x = 335,235.20 × 135,500.62
  4. Step 4: Simplify right side
    242,923.63x = 45,424,577,784.58
  5. Step 5: Solve for x
    x = 45,424,577,784.58/242,923.63
  6. Step 6: Final answer
    x = 186,991.19

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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.