Home / 103,426.56-142,616.97-94,372.38

Finding the Fourth Proportional to 103,426.56, 142,616.97 and 94,372.38

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Solution

The fourth proportional to 103,426.56, 142,616.97 and 94,372.38 is: 130,131.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,426.56 : 142,616.97 = 94,372.38 : x
  2. Step 2: Convert to fraction form
    103,426.56/142,616.97 = 94,372.38/x
  3. Step 3: Cross multiply
    103,426.56x = 142,616.97 × 94,372.38
  4. Step 4: Simplify right side
    103,426.56x = 13,459,102,887.29
  5. Step 5: Solve for x
    x = 13,459,102,887.29/103,426.56
  6. Step 6: Final answer
    x = 130,131.98

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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.