Home / 211,258.71-291,367.23-185,710.69

Finding the Fourth Proportional to 211,258.71, 291,367.23 and 185,710.69

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Solution

The fourth proportional to 211,258.71, 291,367.23 and 185,710.69 is: 256,131.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,258.71 : 291,367.23 = 185,710.69 : x
  2. Step 2: Convert to fraction form
    211,258.71/291,367.23 = 185,710.69/x
  3. Step 3: Cross multiply
    211,258.71x = 291,367.23 × 185,710.69
  4. Step 4: Simplify right side
    211,258.71x = 54,110,009,326.69
  5. Step 5: Solve for x
    x = 54,110,009,326.69/211,258.71
  6. Step 6: Final answer
    x = 256,131.50

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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.