Home / 214,988.52-296,816.94-138,534.60

Finding the Fourth Proportional to 214,988.52, 296,816.94 and 138,534.60

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Solution

The fourth proportional to 214,988.52, 296,816.94 and 138,534.60 is: 191,263.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,988.52 : 296,816.94 = 138,534.60 : x
  2. Step 2: Convert to fraction form
    214,988.52/296,816.94 = 138,534.60/x
  3. Step 3: Cross multiply
    214,988.52x = 296,816.94 × 138,534.60
  4. Step 4: Simplify right side
    214,988.52x = 41,119,416,056.12
  5. Step 5: Solve for x
    x = 41,119,416,056.12/214,988.52
  6. Step 6: Final answer
    x = 191,263.31

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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.