Home / 122,103.40-183,155.10-92,165.80

Finding the Fourth Proportional to 122,103.40, 183,155.10 and 92,165.80

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Solution

The fourth proportional to 122,103.40, 183,155.10 and 92,165.80 is: 138,248.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,103.40 : 183,155.10 = 92,165.80 : x
  2. Step 2: Convert to fraction form
    122,103.40/183,155.10 = 92,165.80/x
  3. Step 3: Cross multiply
    122,103.40x = 183,155.10 × 92,165.80
  4. Step 4: Simplify right side
    122,103.40x = 16,880,636,315.58
  5. Step 5: Solve for x
    x = 16,880,636,315.58/122,103.40
  6. Step 6: Final answer
    x = 138,248.70

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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.