Home / 556,981.78-835,516.80-157,625.02

Finding the Fourth Proportional to 556,981.78, 835,516.80 and 157,625.02

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Solution

The fourth proportional to 556,981.78, 835,516.80 and 157,625.02 is: 236,450.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,981.78 : 835,516.80 = 157,625.02 : x
  2. Step 2: Convert to fraction form
    556,981.78/835,516.80 = 157,625.02/x
  3. Step 3: Cross multiply
    556,981.78x = 835,516.80 × 157,625.02
  4. Step 4: Simplify right side
    556,981.78x = 131,698,352,310.34
  5. Step 5: Solve for x
    x = 131,698,352,310.34/556,981.78
  6. Step 6: Final answer
    x = 236,450.02

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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.