Home / 156,860.45-216,466.85-88,890.36

Finding the Fourth Proportional to 156,860.45, 216,466.85 and 88,890.36

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Solution

The fourth proportional to 156,860.45, 216,466.85 and 88,890.36 is: 122,668.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,860.45 : 216,466.85 = 88,890.36 : x
  2. Step 2: Convert to fraction form
    156,860.45/216,466.85 = 88,890.36/x
  3. Step 3: Cross multiply
    156,860.45x = 216,466.85 × 88,890.36
  4. Step 4: Simplify right side
    156,860.45x = 19,241,816,352.66
  5. Step 5: Solve for x
    x = 19,241,816,352.66/156,860.45
  6. Step 6: Final answer
    x = 122,668.38

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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.