Home / 112,351.19-154,980.34-80,092.94

Finding the Fourth Proportional to 112,351.19, 154,980.34 and 80,092.94

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Solution

The fourth proportional to 112,351.19, 154,980.34 and 80,092.94 is: 110,482.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,351.19 : 154,980.34 = 80,092.94 : x
  2. Step 2: Convert to fraction form
    112,351.19/154,980.34 = 80,092.94/x
  3. Step 3: Cross multiply
    112,351.19x = 154,980.34 × 80,092.94
  4. Step 4: Simplify right side
    112,351.19x = 12,412,830,097.67
  5. Step 5: Solve for x
    x = 12,412,830,097.67/112,351.19
  6. Step 6: Final answer
    x = 110,482.41

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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.