Home / 402,615.06-603,547.15-136,190.18

Finding the Fourth Proportional to 402,615.06, 603,547.15 and 136,190.18

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Solution

The fourth proportional to 402,615.06, 603,547.15 and 136,190.18 is: 204,158.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,615.06 : 603,547.15 = 136,190.18 : x
  2. Step 2: Convert to fraction form
    402,615.06/603,547.15 = 136,190.18/x
  3. Step 3: Cross multiply
    402,615.06x = 603,547.15 × 136,190.18
  4. Step 4: Simplify right side
    402,615.06x = 82,197,194,996.99
  5. Step 5: Solve for x
    x = 82,197,194,996.99/402,615.06
  6. Step 6: Final answer
    x = 204,158.27

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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.