Home / 150,779.12-208,075.37-82,800.50

Finding the Fourth Proportional to 150,779.12, 208,075.37 and 82,800.50

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Solution

The fourth proportional to 150,779.12, 208,075.37 and 82,800.50 is: 114,264.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,779.12 : 208,075.37 = 82,800.50 : x
  2. Step 2: Convert to fraction form
    150,779.12/208,075.37 = 82,800.50/x
  3. Step 3: Cross multiply
    150,779.12x = 208,075.37 × 82,800.50
  4. Step 4: Simplify right side
    150,779.12x = 17,228,743,219.31
  5. Step 5: Solve for x
    x = 17,228,743,219.31/150,779.12
  6. Step 6: Final answer
    x = 114,264.79

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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.