Home / 160,726.46-221,807.90-89,102.21

Finding the Fourth Proportional to 160,726.46, 221,807.90 and 89,102.21

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Solution

The fourth proportional to 160,726.46, 221,807.90 and 89,102.21 is: 122,964.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,726.46 : 221,807.90 = 89,102.21 : x
  2. Step 2: Convert to fraction form
    160,726.46/221,807.90 = 89,102.21/x
  3. Step 3: Cross multiply
    160,726.46x = 221,807.90 × 89,102.21
  4. Step 4: Simplify right side
    160,726.46x = 19,763,573,199.18
  5. Step 5: Solve for x
    x = 19,763,573,199.18/160,726.46
  6. Step 6: Final answer
    x = 122,964.03

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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.