Home / 118,240.50-163,175.34-64,528.96

Finding the Fourth Proportional to 118,240.50, 163,175.34 and 64,528.96

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Solution

The fourth proportional to 118,240.50, 163,175.34 and 64,528.96 is: 89,051.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,240.50 : 163,175.34 = 64,528.96 : x
  2. Step 2: Convert to fraction form
    118,240.50/163,175.34 = 64,528.96/x
  3. Step 3: Cross multiply
    118,240.50x = 163,175.34 × 64,528.96
  4. Step 4: Simplify right side
    118,240.50x = 10,529,534,987.85
  5. Step 5: Solve for x
    x = 10,529,534,987.85/118,240.50
  6. Step 6: Final answer
    x = 89,051.85

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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.