Home / 155,528.10-214,572.65-101,843.73

Finding the Fourth Proportional to 155,528.10, 214,572.65 and 101,843.73

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Solution

The fourth proportional to 155,528.10, 214,572.65 and 101,843.73 is: 140,507.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,528.10 : 214,572.65 = 101,843.73 : x
  2. Step 2: Convert to fraction form
    155,528.10/214,572.65 = 101,843.73/x
  3. Step 3: Cross multiply
    155,528.10x = 214,572.65 × 101,843.73
  4. Step 4: Simplify right side
    155,528.10x = 21,852,878,522.77
  5. Step 5: Solve for x
    x = 21,852,878,522.77/155,528.10
  6. Step 6: Final answer
    x = 140,507.59

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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.