Home / 118,411.84-163,443.36-68,146.24

Finding the Fourth Proportional to 118,411.84, 163,443.36 and 68,146.24

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Solution

The fourth proportional to 118,411.84, 163,443.36 and 68,146.24 is: 94,061.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,411.84 : 163,443.36 = 68,146.24 : x
  2. Step 2: Convert to fraction form
    118,411.84/163,443.36 = 68,146.24/x
  3. Step 3: Cross multiply
    118,411.84x = 163,443.36 × 68,146.24
  4. Step 4: Simplify right side
    118,411.84x = 11,138,050,436.97
  5. Step 5: Solve for x
    x = 11,138,050,436.97/118,411.84
  6. Step 6: Final answer
    x = 94,061.97

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1.5x scale

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.