Home / 134,913.75-202,380.45-51,807.75

Finding the Fourth Proportional to 134,913.75, 202,380.45 and 51,807.75

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Solution

The fourth proportional to 134,913.75, 202,380.45 and 51,807.75 is: 77,715.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,913.75 : 202,380.45 = 51,807.75 : x
  2. Step 2: Convert to fraction form
    134,913.75/202,380.45 = 51,807.75/x
  3. Step 3: Cross multiply
    134,913.75x = 202,380.45 × 51,807.75
  4. Step 4: Simplify right side
    134,913.75x = 10,484,875,758.49
  5. Step 5: Solve for x
    x = 10,484,875,758.49/134,913.75
  6. Step 6: Final answer
    x = 77,715.40

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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.