Home / 242,593.20-334,803.24-135,180.72

Finding the Fourth Proportional to 242,593.20, 334,803.24 and 135,180.72

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Solution

The fourth proportional to 242,593.20, 334,803.24 and 135,180.72 is: 186,563.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,593.20 : 334,803.24 = 135,180.72 : x
  2. Step 2: Convert to fraction form
    242,593.20/334,803.24 = 135,180.72/x
  3. Step 3: Cross multiply
    242,593.20x = 334,803.24 × 135,180.72
  4. Step 4: Simplify right side
    242,593.20x = 45,258,943,041.53
  5. Step 5: Solve for x
    x = 45,258,943,041.53/242,593.20
  6. Step 6: Final answer
    x = 186,563.11

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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.