Home / 242,202.64-334,101.48-145,380.72

Finding the Fourth Proportional to 242,202.64, 334,101.48 and 145,380.72

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Solution

The fourth proportional to 242,202.64, 334,101.48 and 145,380.72 is: 200,542.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,202.64 : 334,101.48 = 145,380.72 : x
  2. Step 2: Convert to fraction form
    242,202.64/334,101.48 = 145,380.72/x
  3. Step 3: Cross multiply
    242,202.64x = 334,101.48 × 145,380.72
  4. Step 4: Simplify right side
    242,202.64x = 48,571,913,715.47
  5. Step 5: Solve for x
    x = 48,571,913,715.47/242,202.64
  6. Step 6: Final answer
    x = 200,542.46

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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.