Home / 221,554.39-304,975.38-193,210.87

Finding the Fourth Proportional to 221,554.39, 304,975.38 and 193,210.87

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Solution

The fourth proportional to 221,554.39, 304,975.38 and 193,210.87 is: 265,959.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,554.39 : 304,975.38 = 193,210.87 : x
  2. Step 2: Convert to fraction form
    221,554.39/304,975.38 = 193,210.87/x
  3. Step 3: Cross multiply
    221,554.39x = 304,975.38 × 193,210.87
  4. Step 4: Simplify right side
    221,554.39x = 58,924,558,498.38
  5. Step 5: Solve for x
    x = 58,924,558,498.38/221,554.39
  6. Step 6: Final answer
    x = 265,959.79

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1.5x scale

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.