Home / 320,075.31-441,708.54-176,838.64

Finding the Fourth Proportional to 320,075.31, 441,708.54 and 176,838.64

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Solution

The fourth proportional to 320,075.31, 441,708.54 and 176,838.64 is: 244,039.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,075.31 : 441,708.54 = 176,838.64 : x
  2. Step 2: Convert to fraction form
    320,075.31/441,708.54 = 176,838.64/x
  3. Step 3: Cross multiply
    320,075.31x = 441,708.54 × 176,838.64
  4. Step 4: Simplify right side
    320,075.31x = 78,111,137,489.99
  5. Step 5: Solve for x
    x = 78,111,137,489.99/320,075.31
  6. Step 6: Final answer
    x = 244,039.87

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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.