Home / 135,666.56-187,219.86-75,246.46

Finding the Fourth Proportional to 135,666.56, 187,219.86 and 75,246.46

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Solution

The fourth proportional to 135,666.56, 187,219.86 and 75,246.46 is: 103,840.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,666.56 : 187,219.86 = 75,246.46 : x
  2. Step 2: Convert to fraction form
    135,666.56/187,219.86 = 75,246.46/x
  3. Step 3: Cross multiply
    135,666.56x = 187,219.86 × 75,246.46
  4. Step 4: Simplify right side
    135,666.56x = 14,087,630,956.47
  5. Step 5: Solve for x
    x = 14,087,630,956.47/135,666.56
  6. Step 6: Final answer
    x = 103,840.11

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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.