Home / 127,485.45-191,240.19-37,528.22

Finding the Fourth Proportional to 127,485.45, 191,240.19 and 37,528.22

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Solution

The fourth proportional to 127,485.45, 191,240.19 and 37,528.22 is: 56,295.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,485.45 : 191,240.19 = 37,528.22 : x
  2. Step 2: Convert to fraction form
    127,485.45/191,240.19 = 37,528.22/x
  3. Step 3: Cross multiply
    127,485.45x = 191,240.19 × 37,528.22
  4. Step 4: Simplify right side
    127,485.45x = 7,176,904,401.26
  5. Step 5: Solve for x
    x = 7,176,904,401.26/127,485.45
  6. Step 6: Final answer
    x = 56,295.87

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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.