Home / 274,259.07-378,468.36-151,751.67

Finding the Fourth Proportional to 274,259.07, 378,468.36 and 151,751.67

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Solution

The fourth proportional to 274,259.07, 378,468.36 and 151,751.67 is: 209,412.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,259.07 : 378,468.36 = 151,751.67 : x
  2. Step 2: Convert to fraction form
    274,259.07/378,468.36 = 151,751.67/x
  3. Step 3: Cross multiply
    274,259.07x = 378,468.36 × 151,751.67
  4. Step 4: Simplify right side
    274,259.07x = 57,433,205,672.16
  5. Step 5: Solve for x
    x = 57,433,205,672.16/274,259.07
  6. Step 6: Final answer
    x = 209,412.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.