Home / 304,516.56-420,222.09-168,550.77

Finding the Fourth Proportional to 304,516.56, 420,222.09 and 168,550.77

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Solution

The fourth proportional to 304,516.56, 420,222.09 and 168,550.77 is: 232,594.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,516.56 : 420,222.09 = 168,550.77 : x
  2. Step 2: Convert to fraction form
    304,516.56/420,222.09 = 168,550.77/x
  3. Step 3: Cross multiply
    304,516.56x = 420,222.09 × 168,550.77
  4. Step 4: Simplify right side
    304,516.56x = 70,828,756,840.51
  5. Step 5: Solve for x
    x = 70,828,756,840.51/304,516.56
  6. Step 6: Final answer
    x = 232,594.11

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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.