Home / 160,521.36-221,521.44-88,902.60

Finding the Fourth Proportional to 160,521.36, 221,521.44 and 88,902.60

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Solution

The fourth proportional to 160,521.36, 221,521.44 and 88,902.60 is: 122,686.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,521.36 : 221,521.44 = 88,902.60 : x
  2. Step 2: Convert to fraction form
    160,521.36/221,521.44 = 88,902.60/x
  3. Step 3: Cross multiply
    160,521.36x = 221,521.44 × 88,902.60
  4. Step 4: Simplify right side
    160,521.36x = 19,693,831,971.74
  5. Step 5: Solve for x
    x = 19,693,831,971.74/160,521.36
  6. Step 6: Final answer
    x = 122,686.68

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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.