Home / 160,637.04-221,680.44-89,018.28

Finding the Fourth Proportional to 160,637.04, 221,680.44 and 89,018.28

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Solution

The fourth proportional to 160,637.04, 221,680.44 and 89,018.28 is: 122,845.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,637.04 : 221,680.44 = 89,018.28 : x
  2. Step 2: Convert to fraction form
    160,637.04/221,680.44 = 89,018.28/x
  3. Step 3: Cross multiply
    160,637.04x = 221,680.44 × 89,018.28
  4. Step 4: Simplify right side
    160,637.04x = 19,733,611,478.44
  5. Step 5: Solve for x
    x = 19,733,611,478.44/160,637.04
  6. Step 6: Final answer
    x = 122,845.96

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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.