Home / 106,667.68-147,221.92-61,376.16

Finding the Fourth Proportional to 106,667.68, 147,221.92 and 61,376.16

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Solution

The fourth proportional to 106,667.68, 147,221.92 and 61,376.16 is: 84,710.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,667.68 : 147,221.92 = 61,376.16 : x
  2. Step 2: Convert to fraction form
    106,667.68/147,221.92 = 61,376.16/x
  3. Step 3: Cross multiply
    106,667.68x = 147,221.92 × 61,376.16
  4. Step 4: Simplify right side
    106,667.68x = 9,035,916,117.43
  5. Step 5: Solve for x
    x = 9,035,916,117.43/106,667.68
  6. Step 6: Final answer
    x = 84,710.91

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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.