Home / 152,741.09-210,777.19-84,761.03

Finding the Fourth Proportional to 152,741.09, 210,777.19 and 84,761.03

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Solution

The fourth proportional to 152,741.09, 210,777.19 and 84,761.03 is: 116,967.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,741.09 : 210,777.19 = 84,761.03 : x
  2. Step 2: Convert to fraction form
    152,741.09/210,777.19 = 84,761.03/x
  3. Step 3: Cross multiply
    152,741.09x = 210,777.19 × 84,761.03
  4. Step 4: Simplify right side
    152,741.09x = 17,865,692,039.95
  5. Step 5: Solve for x
    x = 17,865,692,039.95/152,741.09
  6. Step 6: Final answer
    x = 116,967.16

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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.