Home / 156,774.03-235,111.36-51,568.53

Finding the Fourth Proportional to 156,774.03, 235,111.36 and 51,568.53

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Solution

The fourth proportional to 156,774.03, 235,111.36 and 51,568.53 is: 77,336.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,774.03 : 235,111.36 = 51,568.53 : x
  2. Step 2: Convert to fraction form
    156,774.03/235,111.36 = 51,568.53/x
  3. Step 3: Cross multiply
    156,774.03x = 235,111.36 × 51,568.53
  4. Step 4: Simplify right side
    156,774.03x = 12,124,347,221.50
  5. Step 5: Solve for x
    x = 12,124,347,221.50/156,774.03
  6. Step 6: Final answer
    x = 77,336.45

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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.