Home / 118,216.90-163,006.80-96,639.58

Finding the Fourth Proportional to 118,216.90, 163,006.80 and 96,639.58

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Solution

The fourth proportional to 118,216.90, 163,006.80 and 96,639.58 is: 133,254.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,216.90 : 163,006.80 = 96,639.58 : x
  2. Step 2: Convert to fraction form
    118,216.90/163,006.80 = 96,639.58/x
  3. Step 3: Cross multiply
    118,216.90x = 163,006.80 × 96,639.58
  4. Step 4: Simplify right side
    118,216.90x = 15,752,908,689.14
  5. Step 5: Solve for x
    x = 15,752,908,689.14/118,216.90
  6. Step 6: Final answer
    x = 133,254.29

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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.