Home / 160,495.70-221,555.59-106,080.64

Finding the Fourth Proportional to 160,495.70, 221,555.59 and 106,080.64

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Solution

The fourth proportional to 160,495.70, 221,555.59 and 106,080.64 is: 146,438.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,495.70 : 221,555.59 = 106,080.64 : x
  2. Step 2: Convert to fraction form
    160,495.70/221,555.59 = 106,080.64/x
  3. Step 3: Cross multiply
    160,495.70x = 221,555.59 × 106,080.64
  4. Step 4: Simplify right side
    160,495.70x = 23,502,757,963.69
  5. Step 5: Solve for x
    x = 23,502,757,963.69/160,495.70
  6. Step 6: Final answer
    x = 146,438.56

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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.