Home / 132,969.09-199,528.13-70,637.97

Finding the Fourth Proportional to 132,969.09, 199,528.13 and 70,637.97

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Solution

The fourth proportional to 132,969.09, 199,528.13 and 70,637.97 is: 105,996.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,969.09 : 199,528.13 = 70,637.97 : x
  2. Step 2: Convert to fraction form
    132,969.09/199,528.13 = 70,637.97/x
  3. Step 3: Cross multiply
    132,969.09x = 199,528.13 × 70,637.97
  4. Step 4: Simplify right side
    132,969.09x = 14,094,261,707.91
  5. Step 5: Solve for x
    x = 14,094,261,707.91/132,969.09
  6. Step 6: Final answer
    x = 105,996.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.