Home / 122,628.06-169,211.54-70,954.04

Finding the Fourth Proportional to 122,628.06, 169,211.54 and 70,954.04

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Solution

The fourth proportional to 122,628.06, 169,211.54 and 70,954.04 is: 97,907.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,628.06 : 169,211.54 = 70,954.04 : x
  2. Step 2: Convert to fraction form
    122,628.06/169,211.54 = 70,954.04/x
  3. Step 3: Cross multiply
    122,628.06x = 169,211.54 × 70,954.04
  4. Step 4: Simplify right side
    122,628.06x = 12,006,242,377.62
  5. Step 5: Solve for x
    x = 12,006,242,377.62/122,628.06
  6. Step 6: Final answer
    x = 97,907.79

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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.