Home / 118,301.44-163,256.30-64,586.90

Finding the Fourth Proportional to 118,301.44, 163,256.30 and 64,586.90

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Solution

The fourth proportional to 118,301.44, 163,256.30 and 64,586.90 is: 89,130.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,301.44 : 163,256.30 = 64,586.90 : x
  2. Step 2: Convert to fraction form
    118,301.44/163,256.30 = 64,586.90/x
  3. Step 3: Cross multiply
    118,301.44x = 163,256.30 × 64,586.90
  4. Step 4: Simplify right side
    118,301.44x = 10,544,218,322.47
  5. Step 5: Solve for x
    x = 10,544,218,322.47/118,301.44
  6. Step 6: Final answer
    x = 89,130.09

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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.