Home / 153,277.92-211,534.56-85,300.20

Finding the Fourth Proportional to 153,277.92, 211,534.56 and 85,300.20

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Solution

The fourth proportional to 153,277.92, 211,534.56 and 85,300.20 is: 117,720.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,277.92 : 211,534.56 = 85,300.20 : x
  2. Step 2: Convert to fraction form
    153,277.92/211,534.56 = 85,300.20/x
  3. Step 3: Cross multiply
    153,277.92x = 211,534.56 × 85,300.20
  4. Step 4: Simplify right side
    153,277.92x = 18,043,940,274.91
  5. Step 5: Solve for x
    x = 18,043,940,274.91/153,277.92
  6. Step 6: Final answer
    x = 117,720.41

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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.