Home / 343,743.40-515,663.70-107,061.40

Finding the Fourth Proportional to 343,743.40, 515,663.70 and 107,061.40

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Solution

The fourth proportional to 343,743.40, 515,663.70 and 107,061.40 is: 160,607.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,743.40 : 515,663.70 = 107,061.40 : x
  2. Step 2: Convert to fraction form
    343,743.40/515,663.70 = 107,061.40/x
  3. Step 3: Cross multiply
    343,743.40x = 515,663.70 × 107,061.40
  4. Step 4: Simplify right side
    343,743.40x = 55,207,677,651.18
  5. Step 5: Solve for x
    x = 55,207,677,651.18/343,743.40
  6. Step 6: Final answer
    x = 160,607.24

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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.