Home / 401,348.35-602,084.76-135,088.12

Finding the Fourth Proportional to 401,348.35, 602,084.76 and 135,088.12

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Solution

The fourth proportional to 401,348.35, 602,084.76 and 135,088.12 is: 202,653.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,348.35 : 602,084.76 = 135,088.12 : x
  2. Step 2: Convert to fraction form
    401,348.35/602,084.76 = 135,088.12/x
  3. Step 3: Cross multiply
    401,348.35x = 602,084.76 × 135,088.12
  4. Step 4: Simplify right side
    401,348.35x = 81,334,498,309.05
  5. Step 5: Solve for x
    x = 81,334,498,309.05/401,348.35
  6. Step 6: Final answer
    x = 202,653.13

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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.