Home / 134,765.80-202,148.70-92,775.40

Finding the Fourth Proportional to 134,765.80, 202,148.70 and 92,775.40

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Solution

The fourth proportional to 134,765.80, 202,148.70 and 92,775.40 is: 139,163.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,765.80 : 202,148.70 = 92,775.40 : x
  2. Step 2: Convert to fraction form
    134,765.80/202,148.70 = 92,775.40/x
  3. Step 3: Cross multiply
    134,765.80x = 202,148.70 × 92,775.40
  4. Step 4: Simplify right side
    134,765.80x = 18,754,426,501.98
  5. Step 5: Solve for x
    x = 18,754,426,501.98/134,765.80
  6. Step 6: Final answer
    x = 139,163.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.