Home / 164,816.73-247,077.46-85,840.51

Finding the Fourth Proportional to 164,816.73, 247,077.46 and 85,840.51

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Solution

The fourth proportional to 164,816.73, 247,077.46 and 85,840.51 is: 128,683.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,816.73 : 247,077.46 = 85,840.51 : x
  2. Step 2: Convert to fraction form
    164,816.73/247,077.46 = 85,840.51/x
  3. Step 3: Cross multiply
    164,816.73x = 247,077.46 × 85,840.51
  4. Step 4: Simplify right side
    164,816.73x = 21,209,255,175.90
  5. Step 5: Solve for x
    x = 21,209,255,175.90/164,816.73
  6. Step 6: Final answer
    x = 128,683.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.