Home / 179,023.81-247,059.36-102,557.68

Finding the Fourth Proportional to 179,023.81, 247,059.36 and 102,557.68

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Solution

The fourth proportional to 179,023.81, 247,059.36 and 102,557.68 is: 141,533.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,023.81 : 247,059.36 = 102,557.68 : x
  2. Step 2: Convert to fraction form
    179,023.81/247,059.36 = 102,557.68/x
  3. Step 3: Cross multiply
    179,023.81x = 247,059.36 × 102,557.68
  4. Step 4: Simplify right side
    179,023.81x = 25,337,834,527.49
  5. Step 5: Solve for x
    x = 25,337,834,527.49/179,023.81
  6. Step 6: Final answer
    x = 141,533.32

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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.