Home / 189,948.24-262,180.40-118,285.92

Finding the Fourth Proportional to 189,948.24, 262,180.40 and 118,285.92

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Solution

The fourth proportional to 189,948.24, 262,180.40 and 118,285.92 is: 163,266.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,948.24 : 262,180.40 = 118,285.92 : x
  2. Step 2: Convert to fraction form
    189,948.24/262,180.40 = 118,285.92/x
  3. Step 3: Cross multiply
    189,948.24x = 262,180.40 × 118,285.92
  4. Step 4: Simplify right side
    189,948.24x = 31,012,249,228.54
  5. Step 5: Solve for x
    x = 31,012,249,228.54/189,948.24
  6. Step 6: Final answer
    x = 163,266.84

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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.