Home / 211,298.28-291,592.74-115,805.80

Finding the Fourth Proportional to 211,298.28, 291,592.74 and 115,805.80

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Solution

The fourth proportional to 211,298.28, 291,592.74 and 115,805.80 is: 159,812.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,298.28 : 291,592.74 = 115,805.80 : x
  2. Step 2: Convert to fraction form
    211,298.28/291,592.74 = 115,805.80/x
  3. Step 3: Cross multiply
    211,298.28x = 291,592.74 × 115,805.80
  4. Step 4: Simplify right side
    211,298.28x = 33,768,130,529.89
  5. Step 5: Solve for x
    x = 33,768,130,529.89/211,298.28
  6. Step 6: Final answer
    x = 159,812.61

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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.