Home / 145,663.07-201,034.19-82,013.27

Finding the Fourth Proportional to 145,663.07, 201,034.19 and 82,013.27

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Solution

The fourth proportional to 145,663.07, 201,034.19 and 82,013.27 is: 113,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,663.07 : 201,034.19 = 82,013.27 : x
  2. Step 2: Convert to fraction form
    145,663.07/201,034.19 = 82,013.27/x
  3. Step 3: Cross multiply
    145,663.07x = 201,034.19 × 82,013.27
  4. Step 4: Simplify right side
    145,663.07x = 16,487,471,303.70
  5. Step 5: Solve for x
    x = 16,487,471,303.70/145,663.07
  6. Step 6: Final answer
    x = 113,189.10

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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.