Home / 193,325.32-289,895.95-79,455.34

Finding the Fourth Proportional to 193,325.32, 289,895.95 and 79,455.34

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Solution

The fourth proportional to 193,325.32, 289,895.95 and 79,455.34 is: 119,145.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,325.32 : 289,895.95 = 79,455.34 : x
  2. Step 2: Convert to fraction form
    193,325.32/289,895.95 = 79,455.34/x
  3. Step 3: Cross multiply
    193,325.32x = 289,895.95 × 79,455.34
  4. Step 4: Simplify right side
    193,325.32x = 23,033,781,271.87
  5. Step 5: Solve for x
    x = 23,033,781,271.87/193,325.32
  6. Step 6: Final answer
    x = 119,145.19

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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.