Home / 145,864.47-201,330.42-95,003.94

Finding the Fourth Proportional to 145,864.47, 201,330.42 and 95,003.94

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Solution

The fourth proportional to 145,864.47, 201,330.42 and 95,003.94 is: 131,129.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,864.47 : 201,330.42 = 95,003.94 : x
  2. Step 2: Convert to fraction form
    145,864.47/201,330.42 = 95,003.94/x
  3. Step 3: Cross multiply
    145,864.47x = 201,330.42 × 95,003.94
  4. Step 4: Simplify right side
    145,864.47x = 19,127,181,660.18
  5. Step 5: Solve for x
    x = 19,127,181,660.18/145,864.47
  6. Step 6: Final answer
    x = 131,129.82

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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.