Home / 187,091.78-258,186.58-101,050.81

Finding the Fourth Proportional to 187,091.78, 258,186.58 and 101,050.81

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Solution

The fourth proportional to 187,091.78, 258,186.58 and 101,050.81 is: 139,450.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,091.78 : 258,186.58 = 101,050.81 : x
  2. Step 2: Convert to fraction form
    187,091.78/258,186.58 = 101,050.81/x
  3. Step 3: Cross multiply
    187,091.78x = 258,186.58 × 101,050.81
  4. Step 4: Simplify right side
    187,091.78x = 26,089,962,142.04
  5. Step 5: Solve for x
    x = 26,089,962,142.04/187,091.78
  6. Step 6: Final answer
    x = 139,450.08

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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.