Home / 127,606.38-191,417.46-38,866.42

Finding the Fourth Proportional to 127,606.38, 191,417.46 and 38,866.42

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Solution

The fourth proportional to 127,606.38, 191,417.46 and 38,866.42 is: 58,302.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,606.38 : 191,417.46 = 38,866.42 : x
  2. Step 2: Convert to fraction form
    127,606.38/191,417.46 = 38,866.42/x
  3. Step 3: Cross multiply
    127,606.38x = 191,417.46 × 38,866.42
  4. Step 4: Simplify right side
    127,606.38x = 7,439,711,395.69
  5. Step 5: Solve for x
    x = 7,439,711,395.69/127,606.38
  6. Step 6: Final answer
    x = 58,302.03

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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.