Home / 349,051.28-481,677.88-213,312.32

Finding the Fourth Proportional to 349,051.28, 481,677.88 and 213,312.32

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Solution

The fourth proportional to 349,051.28, 481,677.88 and 213,312.32 is: 294,363.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,051.28 : 481,677.88 = 213,312.32 : x
  2. Step 2: Convert to fraction form
    349,051.28/481,677.88 = 213,312.32/x
  3. Step 3: Cross multiply
    349,051.28x = 481,677.88 × 213,312.32
  4. Step 4: Simplify right side
    349,051.28x = 102,747,826,075.48
  5. Step 5: Solve for x
    x = 102,747,826,075.48/349,051.28
  6. Step 6: Final answer
    x = 294,363.13

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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.