Home / 106,106.73-146,487.83-70,345.17

Finding the Fourth Proportional to 106,106.73, 146,487.83 and 70,345.17

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Solution

The fourth proportional to 106,106.73, 146,487.83 and 70,345.17 is: 97,116.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,106.73 : 146,487.83 = 70,345.17 : x
  2. Step 2: Convert to fraction form
    106,106.73/146,487.83 = 70,345.17/x
  3. Step 3: Cross multiply
    106,106.73x = 146,487.83 × 70,345.17
  4. Step 4: Simplify right side
    106,106.73x = 10,304,711,304.28
  5. Step 5: Solve for x
    x = 10,304,711,304.28/106,106.73
  6. Step 6: Final answer
    x = 97,116.47

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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.