Home / 105,888.96-146,114.64-62,853.12

Finding the Fourth Proportional to 105,888.96, 146,114.64 and 62,853.12

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Solution

The fourth proportional to 105,888.96, 146,114.64 and 62,853.12 is: 86,730.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,888.96 : 146,114.64 = 62,853.12 : x
  2. Step 2: Convert to fraction form
    105,888.96/146,114.64 = 62,853.12/x
  3. Step 3: Cross multiply
    105,888.96x = 146,114.64 × 62,853.12
  4. Step 4: Simplify right side
    105,888.96x = 9,183,761,001.68
  5. Step 5: Solve for x
    x = 9,183,761,001.68/105,888.96
  6. Step 6: Final answer
    x = 86,730.11

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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.