Home / 118,880.51-178,331.76-42,998.04

Finding the Fourth Proportional to 118,880.51, 178,331.76 and 42,998.04

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Solution

The fourth proportional to 118,880.51, 178,331.76 and 42,998.04 is: 64,501.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,880.51 : 178,331.76 = 42,998.04 : x
  2. Step 2: Convert to fraction form
    118,880.51/178,331.76 = 42,998.04/x
  3. Step 3: Cross multiply
    118,880.51x = 178,331.76 × 42,998.04
  4. Step 4: Simplify right side
    118,880.51x = 7,667,916,149.75
  5. Step 5: Solve for x
    x = 7,667,916,149.75/118,880.51
  6. Step 6: Final answer
    x = 64,501.04

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1.5x scale

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.