Home / 208,740.11-312,514.20-195,498.23

Finding the Fourth Proportional to 208,740.11, 312,514.20 and 195,498.23

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Solution

The fourth proportional to 208,740.11, 312,514.20 and 195,498.23 is: 292,689.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,740.11 : 312,514.20 = 195,498.23 : x
  2. Step 2: Convert to fraction form
    208,740.11/312,514.20 = 195,498.23/x
  3. Step 3: Cross multiply
    208,740.11x = 312,514.20 × 195,498.23
  4. Step 4: Simplify right side
    208,740.11x = 61,095,971,387.30
  5. Step 5: Solve for x
    x = 61,095,971,387.30/208,740.11
  6. Step 6: Final answer
    x = 292,689.19

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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.