Home / 133,293.03-199,088.31-120,623.13

Finding the Fourth Proportional to 133,293.03, 199,088.31 and 120,623.13

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Solution

The fourth proportional to 133,293.03, 199,088.31 and 120,623.13 is: 180,164.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,293.03 : 199,088.31 = 120,623.13 : x
  2. Step 2: Convert to fraction form
    133,293.03/199,088.31 = 120,623.13/x
  3. Step 3: Cross multiply
    133,293.03x = 199,088.31 × 120,623.13
  4. Step 4: Simplify right side
    133,293.03x = 24,014,655,098.61
  5. Step 5: Solve for x
    x = 24,014,655,098.61/133,293.03
  6. Step 6: Final answer
    x = 180,164.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.