Home / 219,159.19-328,464.36-117,707.93

Finding the Fourth Proportional to 219,159.19, 328,464.36 and 117,707.93

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Solution

The fourth proportional to 219,159.19, 328,464.36 and 117,707.93 is: 176,414.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,159.19 : 328,464.36 = 117,707.93 : x
  2. Step 2: Convert to fraction form
    219,159.19/328,464.36 = 117,707.93/x
  3. Step 3: Cross multiply
    219,159.19x = 328,464.36 × 117,707.93
  4. Step 4: Simplify right side
    219,159.19x = 38,662,859,305.84
  5. Step 5: Solve for x
    x = 38,662,859,305.84/219,159.19
  6. Step 6: Final answer
    x = 176,414.51

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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.