Home / 118,224.24-163,149.46-75,782.86

Finding the Fourth Proportional to 118,224.24, 163,149.46 and 75,782.86

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Solution

The fourth proportional to 118,224.24, 163,149.46 and 75,782.86 is: 104,580.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,224.24 : 163,149.46 = 75,782.86 : x
  2. Step 2: Convert to fraction form
    118,224.24/163,149.46 = 75,782.86/x
  3. Step 3: Cross multiply
    118,224.24x = 163,149.46 × 75,782.86
  4. Step 4: Simplify right side
    118,224.24x = 12,363,932,686.26
  5. Step 5: Solve for x
    x = 12,363,932,686.26/118,224.24
  6. Step 6: Final answer
    x = 104,580.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.