Home / 131,430.70-197,124.51-36,667.30

Finding the Fourth Proportional to 131,430.70, 197,124.51 and 36,667.30

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Solution

The fourth proportional to 131,430.70, 197,124.51 and 36,667.30 is: 54,994.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,430.70 : 197,124.51 = 36,667.30 : x
  2. Step 2: Convert to fraction form
    131,430.70/197,124.51 = 36,667.30/x
  3. Step 3: Cross multiply
    131,430.70x = 197,124.51 × 36,667.30
  4. Step 4: Simplify right side
    131,430.70x = 7,228,023,545.52
  5. Step 5: Solve for x
    x = 7,228,023,545.52/131,430.70
  6. Step 6: Final answer
    x = 54,994.94

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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.