Home / 156,873.04-235,338.72-51,699.40

Finding the Fourth Proportional to 156,873.04, 235,338.72 and 51,699.40

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Solution

The fourth proportional to 156,873.04, 235,338.72 and 51,699.40 is: 77,558.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,873.04 : 235,338.72 = 51,699.40 : x
  2. Step 2: Convert to fraction form
    156,873.04/235,338.72 = 51,699.40/x
  3. Step 3: Cross multiply
    156,873.04x = 235,338.72 × 51,699.40
  4. Step 4: Simplify right side
    156,873.04x = 12,166,870,620.77
  5. Step 5: Solve for x
    x = 12,166,870,620.77/156,873.04
  6. Step 6: Final answer
    x = 77,558.71

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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.