Home / 199,428.04-299,146.29-81,017.77

Finding the Fourth Proportional to 199,428.04, 299,146.29 and 81,017.77

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Solution

The fourth proportional to 199,428.04, 299,146.29 and 81,017.77 is: 121,528.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,428.04 : 299,146.29 = 81,017.77 : x
  2. Step 2: Convert to fraction form
    199,428.04/299,146.29 = 81,017.77/x
  3. Step 3: Cross multiply
    199,428.04x = 299,146.29 × 81,017.77
  4. Step 4: Simplify right side
    199,428.04x = 24,236,165,319.57
  5. Step 5: Solve for x
    x = 24,236,165,319.57/199,428.04
  6. Step 6: Final answer
    x = 121,528.37

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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.