Home / 156,983.87-235,483.95-51,811.04

Finding the Fourth Proportional to 156,983.87, 235,483.95 and 51,811.04

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Solution

The fourth proportional to 156,983.87, 235,483.95 and 51,811.04 is: 77,719.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,983.87 : 235,483.95 = 51,811.04 : x
  2. Step 2: Convert to fraction form
    156,983.87/235,483.95 = 51,811.04/x
  3. Step 3: Cross multiply
    156,983.87x = 235,483.95 × 51,811.04
  4. Step 4: Simplify right side
    156,983.87x = 12,200,668,352.81
  5. Step 5: Solve for x
    x = 12,200,668,352.81/156,983.87
  6. Step 6: Final answer
    x = 77,719.25

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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.