Home / 160,353.90-221,272.38-88,723.98

Finding the Fourth Proportional to 160,353.90, 221,272.38 and 88,723.98

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Solution

The fourth proportional to 160,353.90, 221,272.38 and 88,723.98 is: 122,430.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,353.90 : 221,272.38 = 88,723.98 : x
  2. Step 2: Convert to fraction form
    160,353.90/221,272.38 = 88,723.98/x
  3. Step 3: Cross multiply
    160,353.90x = 221,272.38 × 88,723.98
  4. Step 4: Simplify right side
    160,353.90x = 19,632,166,217.67
  5. Step 5: Solve for x
    x = 19,632,166,217.67/160,353.90
  6. Step 6: Final answer
    x = 122,430.24

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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.