Home / 106,345.16-146,707.32-68,086.33

Finding the Fourth Proportional to 106,345.16, 146,707.32 and 68,086.33

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Solution

The fourth proportional to 106,345.16, 146,707.32 and 68,086.33 is: 93,927.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,345.16 : 146,707.32 = 68,086.33 : x
  2. Step 2: Convert to fraction form
    106,345.16/146,707.32 = 68,086.33/x
  3. Step 3: Cross multiply
    106,345.16x = 146,707.32 × 68,086.33
  4. Step 4: Simplify right side
    106,345.16x = 9,988,762,636.17
  5. Step 5: Solve for x
    x = 9,988,762,636.17/106,345.16
  6. Step 6: Final answer
    x = 93,927.76

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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.