Home / 513,051.17-769,578.57-158,063.40

Finding the Fourth Proportional to 513,051.17, 769,578.57 and 158,063.40

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Solution

The fourth proportional to 513,051.17, 769,578.57 and 158,063.40 is: 237,095.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,051.17 : 769,578.57 = 158,063.40 : x
  2. Step 2: Convert to fraction form
    513,051.17/769,578.57 = 158,063.40/x
  3. Step 3: Cross multiply
    513,051.17x = 769,578.57 × 158,063.40
  4. Step 4: Simplify right side
    513,051.17x = 121,642,205,341.34
  5. Step 5: Solve for x
    x = 121,642,205,341.34/513,051.17
  6. Step 6: Final answer
    x = 237,095.66

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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.