Home / 160,613.48-221,643.32-88,993.28

Finding the Fourth Proportional to 160,613.48, 221,643.32 and 88,993.28

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Solution

The fourth proportional to 160,613.48, 221,643.32 and 88,993.28 is: 122,808.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,613.48 : 221,643.32 = 88,993.28 : x
  2. Step 2: Convert to fraction form
    160,613.48/221,643.32 = 88,993.28/x
  3. Step 3: Cross multiply
    160,613.48x = 221,643.32 × 88,993.28
  4. Step 4: Simplify right side
    160,613.48x = 19,724,766,036.89
  5. Step 5: Solve for x
    x = 19,724,766,036.89/160,613.48
  6. Step 6: Final answer
    x = 122,808.91

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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.