Home / 122,191.06-168,623.40-74,444.44

Finding the Fourth Proportional to 122,191.06, 168,623.40 and 74,444.44

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Solution

The fourth proportional to 122,191.06, 168,623.40 and 74,444.44 is: 102,733.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,191.06 : 168,623.40 = 74,444.44 : x
  2. Step 2: Convert to fraction form
    122,191.06/168,623.40 = 74,444.44/x
  3. Step 3: Cross multiply
    122,191.06x = 168,623.40 × 74,444.44
  4. Step 4: Simplify right side
    122,191.06x = 12,553,074,603.80
  5. Step 5: Solve for x
    x = 12,553,074,603.80/122,191.06
  6. Step 6: Final answer
    x = 102,733.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.