Home / 160,633.50-221,675.55-89,014.72

Finding the Fourth Proportional to 160,633.50, 221,675.55 and 89,014.72

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Solution

The fourth proportional to 160,633.50, 221,675.55 and 89,014.72 is: 122,841.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,633.50 : 221,675.55 = 89,014.72 : x
  2. Step 2: Convert to fraction form
    160,633.50/221,675.55 = 89,014.72/x
  3. Step 3: Cross multiply
    160,633.50x = 221,675.55 × 89,014.72
  4. Step 4: Simplify right side
    160,633.50x = 19,732,385,460.64
  5. Step 5: Solve for x
    x = 19,732,385,460.64/160,633.50
  6. Step 6: Final answer
    x = 122,841.04

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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.