Home / 223,246.50-308,082.59-121,273.17

Finding the Fourth Proportional to 223,246.50, 308,082.59 and 121,273.17

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Solution

The fourth proportional to 223,246.50, 308,082.59 and 121,273.17 is: 167,358.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,246.50 : 308,082.59 = 121,273.17 : x
  2. Step 2: Convert to fraction form
    223,246.50/308,082.59 = 121,273.17/x
  3. Step 3: Cross multiply
    223,246.50x = 308,082.59 × 121,273.17
  4. Step 4: Simplify right side
    223,246.50x = 37,362,152,311.11
  5. Step 5: Solve for x
    x = 37,362,152,311.11/223,246.50
  6. Step 6: Final answer
    x = 167,358.29

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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.