Home / 118,115.37-177,201-47,042.10

Finding the Fourth Proportional to 118,115.37, 177,201 and 47,042.10

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Solution

The fourth proportional to 118,115.37, 177,201 and 47,042.10 is: 70,574.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,115.37 : 177,201 = 47,042.10 : x
  2. Step 2: Convert to fraction form
    118,115.37/177,201 = 47,042.10/x
  3. Step 3: Cross multiply
    118,115.37x = 177,201 × 47,042.10
  4. Step 4: Simplify right side
    118,115.37x = 8,335,907,162.10
  5. Step 5: Solve for x
    x = 8,335,907,162.10/118,115.37
  6. Step 6: Final answer
    x = 70,574.28

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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.