Home / 129,569.32-194,237.34-46,405

Finding the Fourth Proportional to 129,569.32, 194,237.34 and 46,405

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Solution

The fourth proportional to 129,569.32, 194,237.34 and 46,405 is: 69,565.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,569.32 : 194,237.34 = 46,405 : x
  2. Step 2: Convert to fraction form
    129,569.32/194,237.34 = 46,405/x
  3. Step 3: Cross multiply
    129,569.32x = 194,237.34 × 46,405
  4. Step 4: Simplify right side
    129,569.32x = 9,013,583,762.70
  5. Step 5: Solve for x
    x = 9,013,583,762.70/129,569.32
  6. Step 6: Final answer
    x = 69,565.73

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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.