Home / 153,195.36-211,405.12-92,801.76

Finding the Fourth Proportional to 153,195.36, 211,405.12 and 92,801.76

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Solution

The fourth proportional to 153,195.36, 211,405.12 and 92,801.76 is: 128,063.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,195.36 : 211,405.12 = 92,801.76 : x
  2. Step 2: Convert to fraction form
    153,195.36/211,405.12 = 92,801.76/x
  3. Step 3: Cross multiply
    153,195.36x = 211,405.12 × 92,801.76
  4. Step 4: Simplify right side
    153,195.36x = 19,618,767,209.01
  5. Step 5: Solve for x
    x = 19,618,767,209.01/153,195.36
  6. Step 6: Final answer
    x = 128,063.72

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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.