Home / 296,924.51-445,339.38-86,513.24

Finding the Fourth Proportional to 296,924.51, 445,339.38 and 86,513.24

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Solution

The fourth proportional to 296,924.51, 445,339.38 and 86,513.24 is: 129,756.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,924.51 : 445,339.38 = 86,513.24 : x
  2. Step 2: Convert to fraction form
    296,924.51/445,339.38 = 86,513.24/x
  3. Step 3: Cross multiply
    296,924.51x = 445,339.38 × 86,513.24
  4. Step 4: Simplify right side
    296,924.51x = 38,527,752,663.39
  5. Step 5: Solve for x
    x = 38,527,752,663.39/296,924.51
  6. Step 6: Final answer
    x = 129,756.05

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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.