Home / 412,171.51-618,295.08-127,864.24

Finding the Fourth Proportional to 412,171.51, 618,295.08 and 127,864.24

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Solution

The fourth proportional to 412,171.51, 618,295.08 and 127,864.24 is: 191,808.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,171.51 : 618,295.08 = 127,864.24 : x
  2. Step 2: Convert to fraction form
    412,171.51/618,295.08 = 127,864.24/x
  3. Step 3: Cross multiply
    412,171.51x = 618,295.08 × 127,864.24
  4. Step 4: Simplify right side
    412,171.51x = 79,057,830,499.94
  5. Step 5: Solve for x
    x = 79,057,830,499.94/412,171.51
  6. Step 6: Final answer
    x = 191,808.09

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1.5x scale

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.