Home / 370,430.64-555,678.68-104,193.36

Finding the Fourth Proportional to 370,430.64, 555,678.68 and 104,193.36

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Solution

The fourth proportional to 370,430.64, 555,678.68 and 104,193.36 is: 156,299.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,430.64 : 555,678.68 = 104,193.36 : x
  2. Step 2: Convert to fraction form
    370,430.64/555,678.68 = 104,193.36/x
  3. Step 3: Cross multiply
    370,430.64x = 555,678.68 × 104,193.36
  4. Step 4: Simplify right side
    370,430.64x = 57,898,028,749.56
  5. Step 5: Solve for x
    x = 57,898,028,749.56/370,430.64
  6. Step 6: Final answer
    x = 156,299.24

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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.