Home / 196,030.17-270,479.79-115,428.24

Finding the Fourth Proportional to 196,030.17, 270,479.79 and 115,428.24

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Solution

The fourth proportional to 196,030.17, 270,479.79 and 115,428.24 is: 159,266.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,030.17 : 270,479.79 = 115,428.24 : x
  2. Step 2: Convert to fraction form
    196,030.17/270,479.79 = 115,428.24/x
  3. Step 3: Cross multiply
    196,030.17x = 270,479.79 × 115,428.24
  4. Step 4: Simplify right side
    196,030.17x = 31,221,006,115.27
  5. Step 5: Solve for x
    x = 31,221,006,115.27/196,030.17
  6. Step 6: Final answer
    x = 159,266.33

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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.