Home / 133,372.02-184,120.25-103,088.91

Finding the Fourth Proportional to 133,372.02, 184,120.25 and 103,088.91

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Solution

The fourth proportional to 133,372.02, 184,120.25 and 103,088.91 is: 142,314.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,372.02 : 184,120.25 = 103,088.91 : x
  2. Step 2: Convert to fraction form
    133,372.02/184,120.25 = 103,088.91/x
  3. Step 3: Cross multiply
    133,372.02x = 184,120.25 × 103,088.91
  4. Step 4: Simplify right side
    133,372.02x = 18,980,755,365.98
  5. Step 5: Solve for x
    x = 18,980,755,365.98/133,372.02
  6. Step 6: Final answer
    x = 142,314.37

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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.