Home / 122,568.41-183,853.10-81,006.17

Finding the Fourth Proportional to 122,568.41, 183,853.10 and 81,006.17

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Solution

The fourth proportional to 122,568.41, 183,853.10 and 81,006.17 is: 121,509.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,568.41 : 183,853.10 = 81,006.17 : x
  2. Step 2: Convert to fraction form
    122,568.41/183,853.10 = 81,006.17/x
  3. Step 3: Cross multiply
    122,568.41x = 183,853.10 × 81,006.17
  4. Step 4: Simplify right side
    122,568.41x = 14,893,235,068.60
  5. Step 5: Solve for x
    x = 14,893,235,068.60/122,568.41
  6. Step 6: Final answer
    x = 121,509.57

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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.