Home / 106,290.81-146,681.31-58,544.16

Finding the Fourth Proportional to 106,290.81, 146,681.31 and 58,544.16

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Solution

The fourth proportional to 106,290.81, 146,681.31 and 58,544.16 is: 80,790.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,290.81 : 146,681.31 = 58,544.16 : x
  2. Step 2: Convert to fraction form
    106,290.81/146,681.31 = 58,544.16/x
  3. Step 3: Cross multiply
    106,290.81x = 146,681.31 × 58,544.16
  4. Step 4: Simplify right side
    106,290.81x = 8,587,333,806.62
  5. Step 5: Solve for x
    x = 8,587,333,806.62/106,290.81
  6. Step 6: Final answer
    x = 80,790.94

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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.