Home / 144,903.79-217,331.07-38,288.91

Finding the Fourth Proportional to 144,903.79, 217,331.07 and 38,288.91

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Solution

The fourth proportional to 144,903.79, 217,331.07 and 38,288.91 is: 57,426.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,903.79 : 217,331.07 = 38,288.91 : x
  2. Step 2: Convert to fraction form
    144,903.79/217,331.07 = 38,288.91/x
  3. Step 3: Cross multiply
    144,903.79x = 217,331.07 × 38,288.91
  4. Step 4: Simplify right side
    144,903.79x = 8,321,369,779.43
  5. Step 5: Solve for x
    x = 8,321,369,779.43/144,903.79
  6. Step 6: Final answer
    x = 57,426.86

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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.