Home / 122,352.17-183,506.39-77,846.72

Finding the Fourth Proportional to 122,352.17, 183,506.39 and 77,846.72

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Solution

The fourth proportional to 122,352.17, 183,506.39 and 77,846.72 is: 116,756.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,352.17 : 183,506.39 = 77,846.72 : x
  2. Step 2: Convert to fraction form
    122,352.17/183,506.39 = 77,846.72/x
  3. Step 3: Cross multiply
    122,352.17x = 183,506.39 × 77,846.72
  4. Step 4: Simplify right side
    122,352.17x = 14,285,370,358.98
  5. Step 5: Solve for x
    x = 14,285,370,358.98/122,352.17
  6. Step 6: Final answer
    x = 116,756.17

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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.