Home / 109,058.16-150,768.64-108,060.24

Finding the Fourth Proportional to 109,058.16, 150,768.64 and 108,060.24

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Solution

The fourth proportional to 109,058.16, 150,768.64 and 108,060.24 is: 149,389.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,058.16 : 150,768.64 = 108,060.24 : x
  2. Step 2: Convert to fraction form
    109,058.16/150,768.64 = 108,060.24/x
  3. Step 3: Cross multiply
    109,058.16x = 150,768.64 × 108,060.24
  4. Step 4: Simplify right side
    109,058.16x = 16,292,095,422.87
  5. Step 5: Solve for x
    x = 16,292,095,422.87/109,058.16
  6. Step 6: Final answer
    x = 149,389.05

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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.