Home / 106,211.80-159,280.98-47,088.82

Finding the Fourth Proportional to 106,211.80, 159,280.98 and 47,088.82

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Solution

The fourth proportional to 106,211.80, 159,280.98 and 47,088.82 is: 70,616.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,211.80 : 159,280.98 = 47,088.82 : x
  2. Step 2: Convert to fraction form
    106,211.80/159,280.98 = 47,088.82/x
  3. Step 3: Cross multiply
    106,211.80x = 159,280.98 × 47,088.82
  4. Step 4: Simplify right side
    106,211.80x = 7,500,353,396.64
  5. Step 5: Solve for x
    x = 7,500,353,396.64/106,211.80
  6. Step 6: Final answer
    x = 70,616.95

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1.5x scale

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.