Home / 116,326.53-160,511.79-65,336.80

Finding the Fourth Proportional to 116,326.53, 160,511.79 and 65,336.80

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Solution

The fourth proportional to 116,326.53, 160,511.79 and 65,336.80 is: 90,154.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,326.53 : 160,511.79 = 65,336.80 : x
  2. Step 2: Convert to fraction form
    116,326.53/160,511.79 = 65,336.80/x
  3. Step 3: Cross multiply
    116,326.53x = 160,511.79 × 65,336.80
  4. Step 4: Simplify right side
    116,326.53x = 10,487,326,025.63
  5. Step 5: Solve for x
    x = 10,487,326,025.63/116,326.53
  6. Step 6: Final answer
    x = 90,154.21

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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.