Home / 187,449.04-258,410.60-133,640.72

Finding the Fourth Proportional to 187,449.04, 258,410.60 and 133,640.72

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Solution

The fourth proportional to 187,449.04, 258,410.60 and 133,640.72 is: 184,232.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,449.04 : 258,410.60 = 133,640.72 : x
  2. Step 2: Convert to fraction form
    187,449.04/258,410.60 = 133,640.72/x
  3. Step 3: Cross multiply
    187,449.04x = 258,410.60 × 133,640.72
  4. Step 4: Simplify right side
    187,449.04x = 34,534,178,639.63
  5. Step 5: Solve for x
    x = 34,534,178,639.63/187,449.04
  6. Step 6: Final answer
    x = 184,232.36

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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.