Home / 122,101.24-168,407.06-106,967.63

Finding the Fourth Proportional to 122,101.24, 168,407.06 and 106,967.63

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Solution

The fourth proportional to 122,101.24, 168,407.06 and 106,967.63 is: 147,534.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,101.24 : 168,407.06 = 106,967.63 : x
  2. Step 2: Convert to fraction form
    122,101.24/168,407.06 = 106,967.63/x
  3. Step 3: Cross multiply
    122,101.24x = 168,407.06 × 106,967.63
  4. Step 4: Simplify right side
    122,101.24x = 18,014,104,264.90
  5. Step 5: Solve for x
    x = 18,014,104,264.90/122,101.24
  6. Step 6: Final answer
    x = 147,534.16

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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.