Home / 116,454.78-160,708.23-66,155.58

Finding the Fourth Proportional to 116,454.78, 160,708.23 and 66,155.58

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Solution

The fourth proportional to 116,454.78, 160,708.23 and 66,155.58 is: 91,295.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,454.78 : 160,708.23 = 66,155.58 : x
  2. Step 2: Convert to fraction form
    116,454.78/160,708.23 = 66,155.58/x
  3. Step 3: Cross multiply
    116,454.78x = 160,708.23 × 66,155.58
  4. Step 4: Simplify right side
    116,454.78x = 10,631,746,166.42
  5. Step 5: Solve for x
    x = 10,631,746,166.42/116,454.78
  6. Step 6: Final answer
    x = 91,295.06

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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.