Home / 339,811.47-468,953.34-186,862.20

Finding the Fourth Proportional to 339,811.47, 468,953.34 and 186,862.20

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Solution

The fourth proportional to 339,811.47, 468,953.34 and 186,862.20 is: 257,877.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,811.47 : 468,953.34 = 186,862.20 : x
  2. Step 2: Convert to fraction form
    339,811.47/468,953.34 = 186,862.20/x
  3. Step 3: Cross multiply
    339,811.47x = 468,953.34 × 186,862.20
  4. Step 4: Simplify right side
    339,811.47x = 87,629,652,809.75
  5. Step 5: Solve for x
    x = 87,629,652,809.75/339,811.47
  6. Step 6: Final answer
    x = 257,877.27

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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.