Home / 358,370.31-537,427.39-118,439.81

Finding the Fourth Proportional to 358,370.31, 537,427.39 and 118,439.81

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Solution

The fourth proportional to 358,370.31, 537,427.39 and 118,439.81 is: 177,617.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,370.31 : 537,427.39 = 118,439.81 : x
  2. Step 2: Convert to fraction form
    358,370.31/537,427.39 = 118,439.81/x
  3. Step 3: Cross multiply
    358,370.31x = 537,427.39 × 118,439.81
  4. Step 4: Simplify right side
    358,370.31x = 63,652,797,960.40
  5. Step 5: Solve for x
    x = 63,652,797,960.40/358,370.31
  6. Step 6: Final answer
    x = 177,617.39

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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.