Home / 211,969.02-292,433.43-136,561.50

Finding the Fourth Proportional to 211,969.02, 292,433.43 and 136,561.50

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Solution

The fourth proportional to 211,969.02, 292,433.43 and 136,561.50 is: 188,400.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,969.02 : 292,433.43 = 136,561.50 : x
  2. Step 2: Convert to fraction form
    211,969.02/292,433.43 = 136,561.50/x
  3. Step 3: Cross multiply
    211,969.02x = 292,433.43 × 136,561.50
  4. Step 4: Simplify right side
    211,969.02x = 39,935,147,850.95
  5. Step 5: Solve for x
    x = 39,935,147,850.95/211,969.02
  6. Step 6: Final answer
    x = 188,400.87

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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.