Home / 178,989.97-247,004.15-133,254.10

Finding the Fourth Proportional to 178,989.97, 247,004.15 and 133,254.10

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Solution

The fourth proportional to 178,989.97, 247,004.15 and 133,254.10 is: 183,889.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,989.97 : 247,004.15 = 133,254.10 : x
  2. Step 2: Convert to fraction form
    178,989.97/247,004.15 = 133,254.10/x
  3. Step 3: Cross multiply
    178,989.97x = 247,004.15 × 133,254.10
  4. Step 4: Simplify right side
    178,989.97x = 32,914,315,187.04
  5. Step 5: Solve for x
    x = 32,914,315,187.04/178,989.97
  6. Step 6: Final answer
    x = 183,889.16

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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.