Home / 153,108.22-211,296.38-85,132.17

Finding the Fourth Proportional to 153,108.22, 211,296.38 and 85,132.17

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Solution

The fourth proportional to 153,108.22, 211,296.38 and 85,132.17 is: 117,486.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,108.22 : 211,296.38 = 85,132.17 : x
  2. Step 2: Convert to fraction form
    153,108.22/211,296.38 = 85,132.17/x
  3. Step 3: Cross multiply
    153,108.22x = 211,296.38 × 85,132.17
  4. Step 4: Simplify right side
    153,108.22x = 17,988,119,342.54
  5. Step 5: Solve for x
    x = 17,988,119,342.54/153,108.22
  6. Step 6: Final answer
    x = 117,486.31

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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.