Home / 118,437.31-163,453.19-67,465.98

Finding the Fourth Proportional to 118,437.31, 163,453.19 and 67,465.98

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Solution

The fourth proportional to 118,437.31, 163,453.19 and 67,465.98 is: 93,108.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,437.31 : 163,453.19 = 67,465.98 : x
  2. Step 2: Convert to fraction form
    118,437.31/163,453.19 = 67,465.98/x
  3. Step 3: Cross multiply
    118,437.31x = 163,453.19 × 67,465.98
  4. Step 4: Simplify right side
    118,437.31x = 11,027,529,689.64
  5. Step 5: Solve for x
    x = 11,027,529,689.64/118,437.31
  6. Step 6: Final answer
    x = 93,108.58

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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.