Home / 118,264.40-163,203.70-64,548.95

Finding the Fourth Proportional to 118,264.40, 163,203.70 and 64,548.95

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Solution

The fourth proportional to 118,264.40, 163,203.70 and 64,548.95 is: 89,076.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,264.40 : 163,203.70 = 64,548.95 : x
  2. Step 2: Convert to fraction form
    118,264.40/163,203.70 = 64,548.95/x
  3. Step 3: Cross multiply
    118,264.40x = 163,203.70 × 64,548.95
  4. Step 4: Simplify right side
    118,264.40x = 10,534,627,471.12
  5. Step 5: Solve for x
    x = 10,534,627,471.12/118,264.40
  6. Step 6: Final answer
    x = 89,076.91

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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.