Home / 121,809.02-168,098.66-68,088.26

Finding the Fourth Proportional to 121,809.02, 168,098.66 and 68,088.26

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Solution

The fourth proportional to 121,809.02, 168,098.66 and 68,088.26 is: 93,963.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,809.02 : 168,098.66 = 68,088.26 : x
  2. Step 2: Convert to fraction form
    121,809.02/168,098.66 = 68,088.26/x
  3. Step 3: Cross multiply
    121,809.02x = 168,098.66 × 68,088.26
  4. Step 4: Simplify right side
    121,809.02x = 11,445,545,267.73
  5. Step 5: Solve for x
    x = 11,445,545,267.73/121,809.02
  6. Step 6: Final answer
    x = 93,963.04

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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.