Home / 256,249.32-384,155.28-181,133.16

Finding the Fourth Proportional to 256,249.32, 384,155.28 and 181,133.16

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Solution

The fourth proportional to 256,249.32, 384,155.28 and 181,133.16 is: 271,545.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,249.32 : 384,155.28 = 181,133.16 : x
  2. Step 2: Convert to fraction form
    256,249.32/384,155.28 = 181,133.16/x
  3. Step 3: Cross multiply
    256,249.32x = 384,155.28 × 181,133.16
  4. Step 4: Simplify right side
    256,249.32x = 69,583,261,026.81
  5. Step 5: Solve for x
    x = 69,583,261,026.81/256,249.32
  6. Step 6: Final answer
    x = 271,545.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.