Home / 119,210.96-178,865.40-56,841.68

Finding the Fourth Proportional to 119,210.96, 178,865.40 and 56,841.68

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Solution

The fourth proportional to 119,210.96, 178,865.40 and 56,841.68 is: 85,285.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,210.96 : 178,865.40 = 56,841.68 : x
  2. Step 2: Convert to fraction form
    119,210.96/178,865.40 = 56,841.68/x
  3. Step 3: Cross multiply
    119,210.96x = 178,865.40 × 56,841.68
  4. Step 4: Simplify right side
    119,210.96x = 10,167,009,829.87
  5. Step 5: Solve for x
    x = 10,167,009,829.87/119,210.96
  6. Step 6: Final answer
    x = 85,285.86

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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.