Home / 127,415.10-191,145.60-52,494.30

Finding the Fourth Proportional to 127,415.10, 191,145.60 and 52,494.30

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Solution

The fourth proportional to 127,415.10, 191,145.60 and 52,494.30 is: 78,750.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,415.10 : 191,145.60 = 52,494.30 : x
  2. Step 2: Convert to fraction form
    127,415.10/191,145.60 = 52,494.30/x
  3. Step 3: Cross multiply
    127,415.10x = 191,145.60 × 52,494.30
  4. Step 4: Simplify right side
    127,415.10x = 10,034,054,470.08
  5. Step 5: Solve for x
    x = 10,034,054,470.08/127,415.10
  6. Step 6: Final answer
    x = 78,750.91

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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.