Home / 157,423.67-236,065.98-45,078.36

Finding the Fourth Proportional to 157,423.67, 236,065.98 and 45,078.36

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Solution

The fourth proportional to 157,423.67, 236,065.98 and 45,078.36 is: 67,597.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,423.67 : 236,065.98 = 45,078.36 : x
  2. Step 2: Convert to fraction form
    157,423.67/236,065.98 = 45,078.36/x
  3. Step 3: Cross multiply
    157,423.67x = 236,065.98 × 45,078.36
  4. Step 4: Simplify right side
    157,423.67x = 10,641,467,230.19
  5. Step 5: Solve for x
    x = 10,641,467,230.19/157,423.67
  6. Step 6: Final answer
    x = 67,597.63

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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.