Home / 316,660.80-436,983.37-180,692.29

Finding the Fourth Proportional to 316,660.80, 436,983.37 and 180,692.29

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Solution

The fourth proportional to 316,660.80, 436,983.37 and 180,692.29 is: 249,350.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,660.80 : 436,983.37 = 180,692.29 : x
  2. Step 2: Convert to fraction form
    316,660.80/436,983.37 = 180,692.29/x
  3. Step 3: Cross multiply
    316,660.80x = 436,983.37 × 180,692.29
  4. Step 4: Simplify right side
    316,660.80x = 78,959,525,817.22
  5. Step 5: Solve for x
    x = 78,959,525,817.22/316,660.80
  6. Step 6: Final answer
    x = 249,350.49

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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.