Home / 120,570.36-180,885.51-36,328.62

Finding the Fourth Proportional to 120,570.36, 180,885.51 and 36,328.62

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Solution

The fourth proportional to 120,570.36, 180,885.51 and 36,328.62 is: 54,501.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,570.36 : 180,885.51 = 36,328.62 : x
  2. Step 2: Convert to fraction form
    120,570.36/180,885.51 = 36,328.62/x
  3. Step 3: Cross multiply
    120,570.36x = 180,885.51 × 36,328.62
  4. Step 4: Simplify right side
    120,570.36x = 6,571,320,956.30
  5. Step 5: Solve for x
    x = 6,571,320,956.30/120,570.36
  6. Step 6: Final answer
    x = 54,501.96

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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.