Home / 160,759.32-221,847.48-89,137.50

Finding the Fourth Proportional to 160,759.32, 221,847.48 and 89,137.50

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Solution

The fourth proportional to 160,759.32, 221,847.48 and 89,137.50 is: 123,009.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,759.32 : 221,847.48 = 89,137.50 : x
  2. Step 2: Convert to fraction form
    160,759.32/221,847.48 = 89,137.50/x
  3. Step 3: Cross multiply
    160,759.32x = 221,847.48 × 89,137.50
  4. Step 4: Simplify right side
    160,759.32x = 19,774,929,748.50
  5. Step 5: Solve for x
    x = 19,774,929,748.50/160,759.32
  6. Step 6: Final answer
    x = 123,009.54

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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.