Home / 191,143.68-263,389.59-147,860.33

Finding the Fourth Proportional to 191,143.68, 263,389.59 and 147,860.33

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Solution

The fourth proportional to 191,143.68, 263,389.59 and 147,860.33 is: 203,746.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,143.68 : 263,389.59 = 147,860.33 : x
  2. Step 2: Convert to fraction form
    191,143.68/263,389.59 = 147,860.33/x
  3. Step 3: Cross multiply
    191,143.68x = 263,389.59 × 147,860.33
  4. Step 4: Simplify right side
    191,143.68x = 38,944,870,379.02
  5. Step 5: Solve for x
    x = 38,944,870,379.02/191,143.68
  6. Step 6: Final answer
    x = 203,746.58

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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.