Home / 156,848.06-235,139.79-68,034.67

Finding the Fourth Proportional to 156,848.06, 235,139.79 and 68,034.67

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Solution

The fourth proportional to 156,848.06, 235,139.79 and 68,034.67 is: 101,994.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,848.06 : 235,139.79 = 68,034.67 : x
  2. Step 2: Convert to fraction form
    156,848.06/235,139.79 = 68,034.67/x
  3. Step 3: Cross multiply
    156,848.06x = 235,139.79 × 68,034.67
  4. Step 4: Simplify right side
    156,848.06x = 15,997,657,683.80
  5. Step 5: Solve for x
    x = 15,997,657,683.80/156,848.06
  6. Step 6: Final answer
    x = 101,994.61

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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.