Home / 119,013.34-178,520.62-40,128.25

Finding the Fourth Proportional to 119,013.34, 178,520.62 and 40,128.25

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Solution

The fourth proportional to 119,013.34, 178,520.62 and 40,128.25 is: 60,192.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,013.34 : 178,520.62 = 40,128.25 : x
  2. Step 2: Convert to fraction form
    119,013.34/178,520.62 = 40,128.25/x
  3. Step 3: Cross multiply
    119,013.34x = 178,520.62 × 40,128.25
  4. Step 4: Simplify right side
    119,013.34x = 7,163,720,069.52
  5. Step 5: Solve for x
    x = 7,163,720,069.52/119,013.34
  6. Step 6: Final answer
    x = 60,192.58

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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.