Home / 160,254.21-221,137.02-88,616.30

Finding the Fourth Proportional to 160,254.21, 221,137.02 and 88,616.30

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Solution

The fourth proportional to 160,254.21, 221,137.02 and 88,616.30 is: 122,282.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,254.21 : 221,137.02 = 88,616.30 : x
  2. Step 2: Convert to fraction form
    160,254.21/221,137.02 = 88,616.30/x
  3. Step 3: Cross multiply
    160,254.21x = 221,137.02 × 88,616.30
  4. Step 4: Simplify right side
    160,254.21x = 19,596,343,399.74
  5. Step 5: Solve for x
    x = 19,596,343,399.74/160,254.21
  6. Step 6: Final answer
    x = 122,282.86

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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.