Home / 213,802.91-295,054.13-118,318.49

Finding the Fourth Proportional to 213,802.91, 295,054.13 and 118,318.49

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Solution

The fourth proportional to 213,802.91, 295,054.13 and 118,318.49 is: 163,282.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,802.91 : 295,054.13 = 118,318.49 : x
  2. Step 2: Convert to fraction form
    213,802.91/295,054.13 = 118,318.49/x
  3. Step 3: Cross multiply
    213,802.91x = 295,054.13 × 118,318.49
  4. Step 4: Simplify right side
    213,802.91x = 34,910,357,950.39
  5. Step 5: Solve for x
    x = 34,910,357,950.39/213,802.91
  6. Step 6: Final answer
    x = 163,282.90

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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.