Home / 153,058.20-211,208.17-85,069.83

Finding the Fourth Proportional to 153,058.20, 211,208.17 and 85,069.83

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Solution

The fourth proportional to 153,058.20, 211,208.17 and 85,069.83 is: 117,389.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,058.20 : 211,208.17 = 85,069.83 : x
  2. Step 2: Convert to fraction form
    153,058.20/211,208.17 = 85,069.83/x
  3. Step 3: Cross multiply
    153,058.20x = 211,208.17 × 85,069.83
  4. Step 4: Simplify right side
    153,058.20x = 17,967,443,116.51
  5. Step 5: Solve for x
    x = 17,967,443,116.51/153,058.20
  6. Step 6: Final answer
    x = 117,389.61

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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.