Home / 122,046.32-168,430.17-68,328.13

Finding the Fourth Proportional to 122,046.32, 168,430.17 and 68,328.13

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Solution

The fourth proportional to 122,046.32, 168,430.17 and 68,328.13 is: 94,296.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,046.32 : 168,430.17 = 68,328.13 : x
  2. Step 2: Convert to fraction form
    122,046.32/168,430.17 = 68,328.13/x
  3. Step 3: Cross multiply
    122,046.32x = 168,430.17 × 68,328.13
  4. Step 4: Simplify right side
    122,046.32x = 11,508,518,551.68
  5. Step 5: Solve for x
    x = 11,508,518,551.68/122,046.32
  6. Step 6: Final answer
    x = 94,296.32

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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.