Home / 146,730.39-220,066.42-71,818.35

Finding the Fourth Proportional to 146,730.39, 220,066.42 and 71,818.35

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Solution

The fourth proportional to 146,730.39, 220,066.42 and 71,818.35 is: 107,713.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,730.39 : 220,066.42 = 71,818.35 : x
  2. Step 2: Convert to fraction form
    146,730.39/220,066.42 = 71,818.35/x
  3. Step 3: Cross multiply
    146,730.39x = 220,066.42 × 71,818.35
  4. Step 4: Simplify right side
    146,730.39x = 15,804,807,174.81
  5. Step 5: Solve for x
    x = 15,804,807,174.81/146,730.39
  6. Step 6: Final answer
    x = 107,713.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.