Home / 118,230.76-163,153.38-64,514.44

Finding the Fourth Proportional to 118,230.76, 163,153.38 and 64,514.44

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Solution

The fourth proportional to 118,230.76, 163,153.38 and 64,514.44 is: 89,027.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,230.76 : 163,153.38 = 64,514.44 : x
  2. Step 2: Convert to fraction form
    118,230.76/163,153.38 = 64,514.44/x
  3. Step 3: Cross multiply
    118,230.76x = 163,153.38 × 64,514.44
  4. Step 4: Simplify right side
    118,230.76x = 10,525,748,944.81
  5. Step 5: Solve for x
    x = 10,525,748,944.81/118,230.76
  6. Step 6: Final answer
    x = 89,027.16

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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.