Home / 211,258.01-291,543.15-115,763.87

Finding the Fourth Proportional to 211,258.01, 291,543.15 and 115,763.87

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Solution

The fourth proportional to 211,258.01, 291,543.15 and 115,763.87 is: 159,758.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,258.01 : 291,543.15 = 115,763.87 : x
  2. Step 2: Convert to fraction form
    211,258.01/291,543.15 = 115,763.87/x
  3. Step 3: Cross multiply
    211,258.01x = 291,543.15 × 115,763.87
  4. Step 4: Simplify right side
    211,258.01x = 33,750,161,858.27
  5. Step 5: Solve for x
    x = 33,750,161,858.27/211,258.01
  6. Step 6: Final answer
    x = 159,758.03

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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.