Home / 118,298.71-163,252.05-75,857.14

Finding the Fourth Proportional to 118,298.71, 163,252.05 and 75,857.14

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Solution

The fourth proportional to 118,298.71, 163,252.05 and 75,857.14 is: 104,682.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,298.71 : 163,252.05 = 75,857.14 : x
  2. Step 2: Convert to fraction form
    118,298.71/163,252.05 = 75,857.14/x
  3. Step 3: Cross multiply
    118,298.71x = 163,252.05 × 75,857.14
  4. Step 4: Simplify right side
    118,298.71x = 12,383,833,612.14
  5. Step 5: Solve for x
    x = 12,383,833,612.14/118,298.71
  6. Step 6: Final answer
    x = 104,682.74

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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.