Home / 156,783.03-235,124.87-51,577.53

Finding the Fourth Proportional to 156,783.03, 235,124.87 and 51,577.53

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Solution

The fourth proportional to 156,783.03, 235,124.87 and 51,577.53 is: 77,349.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,783.03 : 235,124.87 = 51,577.53 : x
  2. Step 2: Convert to fraction form
    156,783.03/235,124.87 = 51,577.53/x
  3. Step 3: Cross multiply
    156,783.03x = 235,124.87 × 51,577.53
  4. Step 4: Simplify right side
    156,783.03x = 12,127,159,778.28
  5. Step 5: Solve for x
    x = 12,127,159,778.28/156,783.03
  6. Step 6: Final answer
    x = 77,349.95

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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.