Home / 118,988.10-178,435.85-59,782.50

Finding the Fourth Proportional to 118,988.10, 178,435.85 and 59,782.50

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Solution

The fourth proportional to 118,988.10, 178,435.85 and 59,782.50 is: 89,650.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,988.10 : 178,435.85 = 59,782.50 : x
  2. Step 2: Convert to fraction form
    118,988.10/178,435.85 = 59,782.50/x
  3. Step 3: Cross multiply
    118,988.10x = 178,435.85 × 59,782.50
  4. Step 4: Simplify right side
    118,988.10x = 10,667,340,903.71
  5. Step 5: Solve for x
    x = 10,667,340,903.71/118,988.10
  6. Step 6: Final answer
    x = 89,650.49

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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.