Home / 156,983.40-235,474.02-51,810.84

Finding the Fourth Proportional to 156,983.40, 235,474.02 and 51,810.84

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Solution

The fourth proportional to 156,983.40, 235,474.02 and 51,810.84 is: 77,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,983.40 : 235,474.02 = 51,810.84 : x
  2. Step 2: Convert to fraction form
    156,983.40/235,474.02 = 51,810.84/x
  3. Step 3: Cross multiply
    156,983.40x = 235,474.02 × 51,810.84
  4. Step 4: Simplify right side
    156,983.40x = 12,200,106,774.38
  5. Step 5: Solve for x
    x = 12,200,106,774.38/156,983.40
  6. Step 6: Final answer
    x = 77,715.90

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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.