Home / 112,654.50-155,463.38-70,213.04

Finding the Fourth Proportional to 112,654.50, 155,463.38 and 70,213.04

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Solution

The fourth proportional to 112,654.50, 155,463.38 and 70,213.04 is: 96,894.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,654.50 : 155,463.38 = 70,213.04 : x
  2. Step 2: Convert to fraction form
    112,654.50/155,463.38 = 70,213.04/x
  3. Step 3: Cross multiply
    112,654.50x = 155,463.38 × 70,213.04
  4. Step 4: Simplify right side
    112,654.50x = 10,915,556,518.48
  5. Step 5: Solve for x
    x = 10,915,556,518.48/112,654.50
  6. Step 6: Final answer
    x = 96,894.10

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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.