Home / 116,120.99-160,248.31-64,439.17

Finding the Fourth Proportional to 116,120.99, 160,248.31 and 64,439.17

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Solution

The fourth proportional to 116,120.99, 160,248.31 and 64,439.17 is: 88,926.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,120.99 : 160,248.31 = 64,439.17 : x
  2. Step 2: Convert to fraction form
    116,120.99/160,248.31 = 64,439.17/x
  3. Step 3: Cross multiply
    116,120.99x = 160,248.31 × 64,439.17
  4. Step 4: Simplify right side
    116,120.99x = 10,326,267,770.23
  5. Step 5: Solve for x
    x = 10,326,267,770.23/116,120.99
  6. Step 6: Final answer
    x = 88,926.80

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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.