Home / 118,502.08-163,532.96-64,786.24

Finding the Fourth Proportional to 118,502.08, 163,532.96 and 64,786.24

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Solution

The fourth proportional to 118,502.08, 163,532.96 and 64,786.24 is: 89,405.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,502.08 : 163,532.96 = 64,786.24 : x
  2. Step 2: Convert to fraction form
    118,502.08/163,532.96 = 64,786.24/x
  3. Step 3: Cross multiply
    118,502.08x = 163,532.96 × 64,786.24
  4. Step 4: Simplify right side
    118,502.08x = 10,594,685,594.47
  5. Step 5: Solve for x
    x = 10,594,685,594.47/118,502.08
  6. Step 6: Final answer
    x = 89,405.06

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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.