Home / 118,349.70-163,325.46-64,634.28

Finding the Fourth Proportional to 118,349.70, 163,325.46 and 64,634.28

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Solution

The fourth proportional to 118,349.70, 163,325.46 and 64,634.28 is: 89,196.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,349.70 : 163,325.46 = 64,634.28 : x
  2. Step 2: Convert to fraction form
    118,349.70/163,325.46 = 64,634.28/x
  3. Step 3: Cross multiply
    118,349.70x = 163,325.46 × 64,634.28
  4. Step 4: Simplify right side
    118,349.70x = 10,556,423,512.77
  5. Step 5: Solve for x
    x = 10,556,423,512.77/118,349.70
  6. Step 6: Final answer
    x = 89,196.88

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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.