Home / 160,636.80-221,675.40-89,016.24

Finding the Fourth Proportional to 160,636.80, 221,675.40 and 89,016.24

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Solution

The fourth proportional to 160,636.80, 221,675.40 and 89,016.24 is: 122,840.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,636.80 : 221,675.40 = 89,016.24 : x
  2. Step 2: Convert to fraction form
    160,636.80/221,675.40 = 89,016.24/x
  3. Step 3: Cross multiply
    160,636.80x = 221,675.40 × 89,016.24
  4. Step 4: Simplify right side
    160,636.80x = 19,732,710,608.50
  5. Step 5: Solve for x
    x = 19,732,710,608.50/160,636.80
  6. Step 6: Final answer
    x = 122,840.54

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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.