Home / 160,816.62-221,745.08-102,595.64

Finding the Fourth Proportional to 160,816.62, 221,745.08 and 102,595.64

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Solution

The fourth proportional to 160,816.62, 221,745.08 and 102,595.64 is: 141,465.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,816.62 : 221,745.08 = 102,595.64 : x
  2. Step 2: Convert to fraction form
    160,816.62/221,745.08 = 102,595.64/x
  3. Step 3: Cross multiply
    160,816.62x = 221,745.08 × 102,595.64
  4. Step 4: Simplify right side
    160,816.62x = 22,750,077,886.47
  5. Step 5: Solve for x
    x = 22,750,077,886.47/160,816.62
  6. Step 6: Final answer
    x = 141,465.96

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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.