Home / 119,153.79-178,756.40-40,266.27

Finding the Fourth Proportional to 119,153.79, 178,756.40 and 40,266.27

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Solution

The fourth proportional to 119,153.79, 178,756.40 and 40,266.27 is: 60,408.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,153.79 : 178,756.40 = 40,266.27 : x
  2. Step 2: Convert to fraction form
    119,153.79/178,756.40 = 40,266.27/x
  3. Step 3: Cross multiply
    119,153.79x = 178,756.40 × 40,266.27
  4. Step 4: Simplify right side
    119,153.79x = 7,197,853,567.29
  5. Step 5: Solve for x
    x = 7,197,853,567.29/119,153.79
  6. Step 6: Final answer
    x = 60,408.10

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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.