Home / 160,518.48-221,509-88,894.24

Finding the Fourth Proportional to 160,518.48, 221,509 and 88,894.24

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Solution

The fourth proportional to 160,518.48, 221,509 and 88,894.24 is: 122,670.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,518.48 : 221,509 = 88,894.24 : x
  2. Step 2: Convert to fraction form
    160,518.48/221,509 = 88,894.24/x
  3. Step 3: Cross multiply
    160,518.48x = 221,509 × 88,894.24
  4. Step 4: Simplify right side
    160,518.48x = 19,690,874,208.16
  5. Step 5: Solve for x
    x = 19,690,874,208.16/160,518.48
  6. Step 6: Final answer
    x = 122,670.45

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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.