Home / 112,923.73-155,443.63-97,603.30

Finding the Fourth Proportional to 112,923.73, 155,443.63 and 97,603.30

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Solution

The fourth proportional to 112,923.73, 155,443.63 and 97,603.30 is: 134,354.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,923.73 : 155,443.63 = 97,603.30 : x
  2. Step 2: Convert to fraction form
    112,923.73/155,443.63 = 97,603.30/x
  3. Step 3: Cross multiply
    112,923.73x = 155,443.63 × 97,603.30
  4. Step 4: Simplify right side
    112,923.73x = 15,171,811,251.98
  5. Step 5: Solve for x
    x = 15,171,811,251.98/112,923.73
  6. Step 6: Final answer
    x = 134,354.50

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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.