Home / 122,683.93-169,303.85-68,969.05

Finding the Fourth Proportional to 122,683.93, 169,303.85 and 68,969.05

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Solution

The fourth proportional to 122,683.93, 169,303.85 and 68,969.05 is: 95,177.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,683.93 : 169,303.85 = 68,969.05 : x
  2. Step 2: Convert to fraction form
    122,683.93/169,303.85 = 68,969.05/x
  3. Step 3: Cross multiply
    122,683.93x = 169,303.85 × 68,969.05
  4. Step 4: Simplify right side
    122,683.93x = 11,676,725,351.00
  5. Step 5: Solve for x
    x = 11,676,725,351.00/122,683.93
  6. Step 6: Final answer
    x = 95,177.30

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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.