Home / 519,071.09-778,613.11-164,116.13

Finding the Fourth Proportional to 519,071.09, 778,613.11 and 164,116.13

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Solution

The fourth proportional to 519,071.09, 778,613.11 and 164,116.13 is: 246,176.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,071.09 : 778,613.11 = 164,116.13 : x
  2. Step 2: Convert to fraction form
    519,071.09/778,613.11 = 164,116.13/x
  3. Step 3: Cross multiply
    519,071.09x = 778,613.11 × 164,116.13
  4. Step 4: Simplify right side
    519,071.09x = 127,782,966,077.11
  5. Step 5: Solve for x
    x = 127,782,966,077.11/519,071.09
  6. Step 6: Final answer
    x = 246,176.24

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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.