Home / 407,335.49-611,003.75-141,095.98

Finding the Fourth Proportional to 407,335.49, 611,003.75 and 141,095.98

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Solution

The fourth proportional to 407,335.49, 611,003.75 and 141,095.98 is: 211,644.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,335.49 : 611,003.75 = 141,095.98 : x
  2. Step 2: Convert to fraction form
    407,335.49/611,003.75 = 141,095.98/x
  3. Step 3: Cross multiply
    407,335.49x = 611,003.75 × 141,095.98
  4. Step 4: Simplify right side
    407,335.49x = 86,210,173,242.67
  5. Step 5: Solve for x
    x = 86,210,173,242.67/407,335.49
  6. Step 6: Final answer
    x = 211,644.15

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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.