Home / 127,590.28-191,426.40-38,860.96

Finding the Fourth Proportional to 127,590.28, 191,426.40 and 38,860.96

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Solution

The fourth proportional to 127,590.28, 191,426.40 and 38,860.96 is: 58,303.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,590.28 : 191,426.40 = 38,860.96 : x
  2. Step 2: Convert to fraction form
    127,590.28/191,426.40 = 38,860.96/x
  3. Step 3: Cross multiply
    127,590.28x = 191,426.40 × 38,860.96
  4. Step 4: Simplify right side
    127,590.28x = 7,439,013,673.34
  5. Step 5: Solve for x
    x = 7,439,013,673.34/127,590.28
  6. Step 6: Final answer
    x = 58,303.92

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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.