Home / 403,141.95-556,340.04-231,056.19

Finding the Fourth Proportional to 403,141.95, 556,340.04 and 231,056.19

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Solution

The fourth proportional to 403,141.95, 556,340.04 and 231,056.19 is: 318,859.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,141.95 : 556,340.04 = 231,056.19 : x
  2. Step 2: Convert to fraction form
    403,141.95/556,340.04 = 231,056.19/x
  3. Step 3: Cross multiply
    403,141.95x = 556,340.04 × 231,056.19
  4. Step 4: Simplify right side
    403,141.95x = 128,545,809,986.85
  5. Step 5: Solve for x
    x = 128,545,809,986.85/403,141.95
  6. Step 6: Final answer
    x = 318,859.92

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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.