Home / 156,949.15-235,423.73-51,754.45

Finding the Fourth Proportional to 156,949.15, 235,423.73 and 51,754.45

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Solution

The fourth proportional to 156,949.15, 235,423.73 and 51,754.45 is: 77,631.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,949.15 : 235,423.73 = 51,754.45 : x
  2. Step 2: Convert to fraction form
    156,949.15/235,423.73 = 51,754.45/x
  3. Step 3: Cross multiply
    156,949.15x = 235,423.73 × 51,754.45
  4. Step 4: Simplify right side
    156,949.15x = 12,184,225,663.10
  5. Step 5: Solve for x
    x = 12,184,225,663.10/156,949.15
  6. Step 6: Final answer
    x = 77,631.68

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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.