Home / 121,810.02-168,100.04-68,089.26

Finding the Fourth Proportional to 121,810.02, 168,100.04 and 68,089.26

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Solution

The fourth proportional to 121,810.02, 168,100.04 and 68,089.26 is: 93,964.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,810.02 : 168,100.04 = 68,089.26 : x
  2. Step 2: Convert to fraction form
    121,810.02/168,100.04 = 68,089.26/x
  3. Step 3: Cross multiply
    121,810.02x = 168,100.04 × 68,089.26
  4. Step 4: Simplify right side
    121,810.02x = 11,445,807,329.57
  5. Step 5: Solve for x
    x = 11,445,807,329.57/121,810.02
  6. Step 6: Final answer
    x = 93,964.42

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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.