Home / 181,316.28-250,215.66-100,756.92

Finding the Fourth Proportional to 181,316.28, 250,215.66 and 100,756.92

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Solution

The fourth proportional to 181,316.28, 250,215.66 and 100,756.92 is: 139,044.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,316.28 : 250,215.66 = 100,756.92 : x
  2. Step 2: Convert to fraction form
    181,316.28/250,215.66 = 100,756.92/x
  3. Step 3: Cross multiply
    181,316.28x = 250,215.66 × 100,756.92
  4. Step 4: Simplify right side
    181,316.28x = 25,210,959,237.37
  5. Step 5: Solve for x
    x = 25,210,959,237.37/181,316.28
  6. Step 6: Final answer
    x = 139,044.10

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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.