Home / 207,846.45-286,679.27-135,113.67

Finding the Fourth Proportional to 207,846.45, 286,679.27 and 135,113.67

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Solution

The fourth proportional to 207,846.45, 286,679.27 and 135,113.67 is: 186,360.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,846.45 : 286,679.27 = 135,113.67 : x
  2. Step 2: Convert to fraction form
    207,846.45/286,679.27 = 135,113.67/x
  3. Step 3: Cross multiply
    207,846.45x = 286,679.27 × 135,113.67
  4. Step 4: Simplify right side
    207,846.45x = 38,734,287,607.05
  5. Step 5: Solve for x
    x = 38,734,287,607.05/207,846.45
  6. Step 6: Final answer
    x = 186,360.11

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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.