Home / 158,973.41-219,395.51-91,011.70

Finding the Fourth Proportional to 158,973.41, 219,395.51 and 91,011.70

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Solution

The fourth proportional to 158,973.41, 219,395.51 and 91,011.70 is: 125,603.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,973.41 : 219,395.51 = 91,011.70 : x
  2. Step 2: Convert to fraction form
    158,973.41/219,395.51 = 91,011.70/x
  3. Step 3: Cross multiply
    158,973.41x = 219,395.51 × 91,011.70
  4. Step 4: Simplify right side
    158,973.41x = 19,967,558,753.92
  5. Step 5: Solve for x
    x = 19,967,558,753.92/158,973.41
  6. Step 6: Final answer
    x = 125,603.14

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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.