Home / 156,788.06-235,186.56-38,459.30

Finding the Fourth Proportional to 156,788.06, 235,186.56 and 38,459.30

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Solution

The fourth proportional to 156,788.06, 235,186.56 and 38,459.30 is: 57,690.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,788.06 : 235,186.56 = 38,459.30 : x
  2. Step 2: Convert to fraction form
    156,788.06/235,186.56 = 38,459.30/x
  3. Step 3: Cross multiply
    156,788.06x = 235,186.56 × 38,459.30
  4. Step 4: Simplify right side
    156,788.06x = 9,045,110,467.01
  5. Step 5: Solve for x
    x = 9,045,110,467.01/156,788.06
  6. Step 6: Final answer
    x = 57,690.05

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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.