Home / 118,894.04-163,930.30-102,732.14

Finding the Fourth Proportional to 118,894.04, 163,930.30 and 102,732.14

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Solution

The fourth proportional to 118,894.04, 163,930.30 and 102,732.14 is: 141,646.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,894.04 : 163,930.30 = 102,732.14 : x
  2. Step 2: Convert to fraction form
    118,894.04/163,930.30 = 102,732.14/x
  3. Step 3: Cross multiply
    118,894.04x = 163,930.30 × 102,732.14
  4. Step 4: Simplify right side
    118,894.04x = 16,840,909,453.36
  5. Step 5: Solve for x
    x = 16,840,909,453.36/118,894.04
  6. Step 6: Final answer
    x = 141,646.38

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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.