Home / 147,617.80-221,426.70-118,093.30

Finding the Fourth Proportional to 147,617.80, 221,426.70 and 118,093.30

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Solution

The fourth proportional to 147,617.80, 221,426.70 and 118,093.30 is: 177,139.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,617.80 : 221,426.70 = 118,093.30 : x
  2. Step 2: Convert to fraction form
    147,617.80/221,426.70 = 118,093.30/x
  3. Step 3: Cross multiply
    147,617.80x = 221,426.70 × 118,093.30
  4. Step 4: Simplify right side
    147,617.80x = 26,149,009,711.11
  5. Step 5: Solve for x
    x = 26,149,009,711.11/147,617.80
  6. Step 6: Final answer
    x = 177,139.95

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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.