Home / 223,148.36-307,933.80-127,665.56

Finding the Fourth Proportional to 223,148.36, 307,933.80 and 127,665.56

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Solution

The fourth proportional to 223,148.36, 307,933.80 and 127,665.56 is: 176,172.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,148.36 : 307,933.80 = 127,665.56 : x
  2. Step 2: Convert to fraction form
    223,148.36/307,933.80 = 127,665.56/x
  3. Step 3: Cross multiply
    223,148.36x = 307,933.80 × 127,665.56
  4. Step 4: Simplify right side
    223,148.36x = 39,312,541,019.93
  5. Step 5: Solve for x
    x = 39,312,541,019.93/223,148.36
  6. Step 6: Final answer
    x = 176,172.22

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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.