Home / 436,210.61-654,316.06-136,714.42

Finding the Fourth Proportional to 436,210.61, 654,316.06 and 136,714.42

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Solution

The fourth proportional to 436,210.61, 654,316.06 and 136,714.42 is: 205,071.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,210.61 : 654,316.06 = 136,714.42 : x
  2. Step 2: Convert to fraction form
    436,210.61/654,316.06 = 136,714.42/x
  3. Step 3: Cross multiply
    436,210.61x = 654,316.06 × 136,714.42
  4. Step 4: Simplify right side
    436,210.61x = 89,454,440,297.80
  5. Step 5: Solve for x
    x = 89,454,440,297.80/436,210.61
  6. Step 6: Final answer
    x = 205,071.68

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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.