Home / 404,253.18-606,426.35-134,405.33

Finding the Fourth Proportional to 404,253.18, 606,426.35 and 134,405.33

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Solution

The fourth proportional to 404,253.18, 606,426.35 and 134,405.33 is: 201,623.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,253.18 : 606,426.35 = 134,405.33 : x
  2. Step 2: Convert to fraction form
    404,253.18/606,426.35 = 134,405.33/x
  3. Step 3: Cross multiply
    404,253.18x = 606,426.35 × 134,405.33
  4. Step 4: Simplify right side
    404,253.18x = 81,506,929,988.29
  5. Step 5: Solve for x
    x = 81,506,929,988.29/404,253.18
  6. Step 6: Final answer
    x = 201,623.47

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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.