Home / 106,002.48-146,129.32-74,072.24

Finding the Fourth Proportional to 106,002.48, 146,129.32 and 74,072.24

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Solution

The fourth proportional to 106,002.48, 146,129.32 and 74,072.24 is: 102,112.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,002.48 : 146,129.32 = 74,072.24 : x
  2. Step 2: Convert to fraction form
    106,002.48/146,129.32 = 74,072.24/x
  3. Step 3: Cross multiply
    106,002.48x = 146,129.32 × 74,072.24
  4. Step 4: Simplify right side
    106,002.48x = 10,824,126,062.08
  5. Step 5: Solve for x
    x = 10,824,126,062.08/106,002.48
  6. Step 6: Final answer
    x = 102,112.01

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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.