Home / 242,575.34-334,754.32-135,149.14

Finding the Fourth Proportional to 242,575.34, 334,754.32 and 135,149.14

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Solution

The fourth proportional to 242,575.34, 334,754.32 and 135,149.14 is: 186,506.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,575.34 : 334,754.32 = 135,149.14 : x
  2. Step 2: Convert to fraction form
    242,575.34/334,754.32 = 135,149.14/x
  3. Step 3: Cross multiply
    242,575.34x = 334,754.32 × 135,149.14
  4. Step 4: Simplify right side
    242,575.34x = 45,241,758,793.26
  5. Step 5: Solve for x
    x = 45,241,758,793.26/242,575.34
  6. Step 6: Final answer
    x = 186,506.01

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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.