Home / 107,210.63-147,853.82-66,928.11

Finding the Fourth Proportional to 107,210.63, 147,853.82 and 66,928.11

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Solution

The fourth proportional to 107,210.63, 147,853.82 and 66,928.11 is: 92,300.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,210.63 : 147,853.82 = 66,928.11 : x
  2. Step 2: Convert to fraction form
    107,210.63/147,853.82 = 66,928.11/x
  3. Step 3: Cross multiply
    107,210.63x = 147,853.82 × 66,928.11
  4. Step 4: Simplify right side
    107,210.63x = 9,895,576,394.24
  5. Step 5: Solve for x
    x = 9,895,576,394.24/107,210.63
  6. Step 6: Final answer
    x = 92,300.33

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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.