Home / 156,779.66-235,169.50-51,628.70

Finding the Fourth Proportional to 156,779.66, 235,169.50 and 51,628.70

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Solution

The fourth proportional to 156,779.66, 235,169.50 and 51,628.70 is: 77,443.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,779.66 : 235,169.50 = 51,628.70 : x
  2. Step 2: Convert to fraction form
    156,779.66/235,169.50 = 51,628.70/x
  3. Step 3: Cross multiply
    156,779.66x = 235,169.50 × 51,628.70
  4. Step 4: Simplify right side
    156,779.66x = 12,141,495,564.65
  5. Step 5: Solve for x
    x = 12,141,495,564.65/156,779.66
  6. Step 6: Final answer
    x = 77,443.05

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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.