Home / 157,775.07-236,604.24-45,417.36

Finding the Fourth Proportional to 157,775.07, 236,604.24 and 45,417.36

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Solution

The fourth proportional to 157,775.07, 236,604.24 and 45,417.36 is: 68,109.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,775.07 : 236,604.24 = 45,417.36 : x
  2. Step 2: Convert to fraction form
    157,775.07/236,604.24 = 45,417.36/x
  3. Step 3: Cross multiply
    157,775.07x = 236,604.24 × 45,417.36
  4. Step 4: Simplify right side
    157,775.07x = 10,745,939,945.61
  5. Step 5: Solve for x
    x = 10,745,939,945.61/157,775.07
  6. Step 6: Final answer
    x = 68,109.24

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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.