Home / 320,031.14-441,648.72-176,782.64

Finding the Fourth Proportional to 320,031.14, 441,648.72 and 176,782.64

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Solution

The fourth proportional to 320,031.14, 441,648.72 and 176,782.64 is: 243,963.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,031.14 : 441,648.72 = 176,782.64 : x
  2. Step 2: Convert to fraction form
    320,031.14/441,648.72 = 176,782.64/x
  3. Step 3: Cross multiply
    320,031.14x = 441,648.72 × 176,782.64
  4. Step 4: Simplify right side
    320,031.14x = 78,075,824,465.98
  5. Step 5: Solve for x
    x = 78,075,824,465.98/320,031.14
  6. Step 6: Final answer
    x = 243,963.21

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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.