Home / 215,867.04-297,908.37-120,373.62

Finding the Fourth Proportional to 215,867.04, 297,908.37 and 120,373.62

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Solution

The fourth proportional to 215,867.04, 297,908.37 and 120,373.62 is: 166,122.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,867.04 : 297,908.37 = 120,373.62 : x
  2. Step 2: Convert to fraction form
    215,867.04/297,908.37 = 120,373.62/x
  3. Step 3: Cross multiply
    215,867.04x = 297,908.37 × 120,373.62
  4. Step 4: Simplify right side
    215,867.04x = 35,860,308,925.20
  5. Step 5: Solve for x
    x = 35,860,308,925.20/215,867.04
  6. Step 6: Final answer
    x = 166,122.21

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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.