Home / 153,040.92-211,194.99-85,058.16

Finding the Fourth Proportional to 153,040.92, 211,194.99 and 85,058.16

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Solution

The fourth proportional to 153,040.92, 211,194.99 and 85,058.16 is: 117,379.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,040.92 : 211,194.99 = 85,058.16 : x
  2. Step 2: Convert to fraction form
    153,040.92/211,194.99 = 85,058.16/x
  3. Step 3: Cross multiply
    153,040.92x = 211,194.99 × 85,058.16
  4. Step 4: Simplify right side
    153,040.92x = 17,963,857,250.62
  5. Step 5: Solve for x
    x = 17,963,857,250.62/153,040.92
  6. Step 6: Final answer
    x = 117,379.44

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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.