Home / 119,275.41-178,913.01-30,528.78

Finding the Fourth Proportional to 119,275.41, 178,913.01 and 30,528.78

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Solution

The fourth proportional to 119,275.41, 178,913.01 and 30,528.78 is: 45,793.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,275.41 : 178,913.01 = 30,528.78 : x
  2. Step 2: Convert to fraction form
    119,275.41/178,913.01 = 30,528.78/x
  3. Step 3: Cross multiply
    119,275.41x = 178,913.01 × 30,528.78
  4. Step 4: Simplify right side
    119,275.41x = 5,461,995,136.02
  5. Step 5: Solve for x
    x = 5,461,995,136.02/119,275.41
  6. Step 6: Final answer
    x = 45,793.14

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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.