Home / 156,977.13-235,463.67-38,649.50

Finding the Fourth Proportional to 156,977.13, 235,463.67 and 38,649.50

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Solution

The fourth proportional to 156,977.13, 235,463.67 and 38,649.50 is: 57,973.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,977.13 : 235,463.67 = 38,649.50 : x
  2. Step 2: Convert to fraction form
    156,977.13/235,463.67 = 38,649.50/x
  3. Step 3: Cross multiply
    156,977.13x = 235,463.67 × 38,649.50
  4. Step 4: Simplify right side
    156,977.13x = 9,100,553,113.67
  5. Step 5: Solve for x
    x = 9,100,553,113.67/156,977.13
  6. Step 6: Final answer
    x = 57,973.75

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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.