Home / 118,225.24-163,150.84-75,783.86

Finding the Fourth Proportional to 118,225.24, 163,150.84 and 75,783.86

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Solution

The fourth proportional to 118,225.24, 163,150.84 and 75,783.86 is: 104,581.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,225.24 : 163,150.84 = 75,783.86 : x
  2. Step 2: Convert to fraction form
    118,225.24/163,150.84 = 75,783.86/x
  3. Step 3: Cross multiply
    118,225.24x = 163,150.84 × 75,783.86
  4. Step 4: Simplify right side
    118,225.24x = 12,364,200,417.44
  5. Step 5: Solve for x
    x = 12,364,200,417.44/118,225.24
  6. Step 6: Final answer
    x = 104,581.73

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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.