Home / 107,212.26-147,856.06-66,929.74

Finding the Fourth Proportional to 107,212.26, 147,856.06 and 66,929.74

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Solution

The fourth proportional to 107,212.26, 147,856.06 and 66,929.74 is: 92,302.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,212.26 : 147,856.06 = 66,929.74 : x
  2. Step 2: Convert to fraction form
    107,212.26/147,856.06 = 66,929.74/x
  3. Step 3: Cross multiply
    107,212.26x = 147,856.06 × 66,929.74
  4. Step 4: Simplify right side
    107,212.26x = 9,895,967,653.22
  5. Step 5: Solve for x
    x = 9,895,967,653.22/107,212.26
  6. Step 6: Final answer
    x = 92,302.57

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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.