Home / 211,292.30-291,581.70-115,798.76

Finding the Fourth Proportional to 211,292.30, 291,581.70 and 115,798.76

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Solution

The fourth proportional to 211,292.30, 291,581.70 and 115,798.76 is: 159,801.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,292.30 : 291,581.70 = 115,798.76 : x
  2. Step 2: Convert to fraction form
    211,292.30/291,581.70 = 115,798.76/x
  3. Step 3: Cross multiply
    211,292.30x = 291,581.70 × 115,798.76
  4. Step 4: Simplify right side
    211,292.30x = 33,764,799,298.69
  5. Step 5: Solve for x
    x = 33,764,799,298.69/211,292.30
  6. Step 6: Final answer
    x = 159,801.37

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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.