Home / 122,904.83-169,596.55-68,455.18

Finding the Fourth Proportional to 122,904.83, 169,596.55 and 68,455.18

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Solution

The fourth proportional to 122,904.83, 169,596.55 and 68,455.18 is: 94,461.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,904.83 : 169,596.55 = 68,455.18 : x
  2. Step 2: Convert to fraction form
    122,904.83/169,596.55 = 68,455.18/x
  3. Step 3: Cross multiply
    122,904.83x = 169,596.55 × 68,455.18
  4. Step 4: Simplify right side
    122,904.83x = 11,609,761,698.32
  5. Step 5: Solve for x
    x = 11,609,761,698.32/122,904.83
  6. Step 6: Final answer
    x = 94,461.39

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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.