Home / 131,430.20-197,166.90-56,586.20

Finding the Fourth Proportional to 131,430.20, 197,166.90 and 56,586.20

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Solution

The fourth proportional to 131,430.20, 197,166.90 and 56,586.20 is: 84,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,430.20 : 197,166.90 = 56,586.20 : x
  2. Step 2: Convert to fraction form
    131,430.20/197,166.90 = 56,586.20/x
  3. Step 3: Cross multiply
    131,430.20x = 197,166.90 × 56,586.20
  4. Step 4: Simplify right side
    131,430.20x = 11,156,925,636.78
  5. Step 5: Solve for x
    x = 11,156,925,636.78/131,430.20
  6. Step 6: Final answer
    x = 84,888.60

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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.