Home / 160,631.50-221,676.34-89,004.82

Finding the Fourth Proportional to 160,631.50, 221,676.34 and 89,004.82

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Solution

The fourth proportional to 160,631.50, 221,676.34 and 89,004.82 is: 122,829.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,631.50 : 221,676.34 = 89,004.82 : x
  2. Step 2: Convert to fraction form
    160,631.50/221,676.34 = 89,004.82/x
  3. Step 3: Cross multiply
    160,631.50x = 221,676.34 × 89,004.82
  4. Step 4: Simplify right side
    160,631.50x = 19,730,262,739.96
  5. Step 5: Solve for x
    x = 19,730,262,739.96/160,631.50
  6. Step 6: Final answer
    x = 122,829.35

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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.