Home / 118,822.11-163,948.98-70,439.28

Finding the Fourth Proportional to 118,822.11, 163,948.98 and 70,439.28

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Solution

The fourth proportional to 118,822.11, 163,948.98 and 70,439.28 is: 97,191.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,822.11 : 163,948.98 = 70,439.28 : x
  2. Step 2: Convert to fraction form
    118,822.11/163,948.98 = 70,439.28/x
  3. Step 3: Cross multiply
    118,822.11x = 163,948.98 × 70,439.28
  4. Step 4: Simplify right side
    118,822.11x = 11,548,448,107.93
  5. Step 5: Solve for x
    x = 11,548,448,107.93/118,822.11
  6. Step 6: Final answer
    x = 97,191.07

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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.