Home / 106,341.36-146,761.42-79,437.16

Finding the Fourth Proportional to 106,341.36, 146,761.42 and 79,437.16

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Solution

The fourth proportional to 106,341.36, 146,761.42 and 79,437.16 is: 109,631.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,341.36 : 146,761.42 = 79,437.16 : x
  2. Step 2: Convert to fraction form
    106,341.36/146,761.42 = 79,437.16/x
  3. Step 3: Cross multiply
    106,341.36x = 146,761.42 × 79,437.16
  4. Step 4: Simplify right side
    106,341.36x = 11,658,310,402.37
  5. Step 5: Solve for x
    x = 11,658,310,402.37/106,341.36
  6. Step 6: Final answer
    x = 109,631.01

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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.