Home / 187,096.47-280,448.69-87,174.27

Finding the Fourth Proportional to 187,096.47, 280,448.69 and 87,174.27

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Solution

The fourth proportional to 187,096.47, 280,448.69 and 87,174.27 is: 130,670.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,096.47 : 280,448.69 = 87,174.27 : x
  2. Step 2: Convert to fraction form
    187,096.47/280,448.69 = 87,174.27/x
  3. Step 3: Cross multiply
    187,096.47x = 280,448.69 × 87,174.27
  4. Step 4: Simplify right side
    187,096.47x = 24,447,909,387.34
  5. Step 5: Solve for x
    x = 24,447,909,387.34/187,096.47
  6. Step 6: Final answer
    x = 130,670.07

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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.