Home / 237,341.19-327,528.08-128,443.01

Finding the Fourth Proportional to 237,341.19, 327,528.08 and 128,443.01

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Solution

The fourth proportional to 237,341.19, 327,528.08 and 128,443.01 is: 177,249.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,341.19 : 327,528.08 = 128,443.01 : x
  2. Step 2: Convert to fraction form
    237,341.19/327,528.08 = 128,443.01/x
  3. Step 3: Cross multiply
    237,341.19x = 327,528.08 × 128,443.01
  4. Step 4: Simplify right side
    237,341.19x = 42,068,690,174.87
  5. Step 5: Solve for x
    x = 42,068,690,174.87/237,341.19
  6. Step 6: Final answer
    x = 177,249.85

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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.