Home / 149,150.06-223,422.96-69,075.08

Finding the Fourth Proportional to 149,150.06, 223,422.96 and 69,075.08

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Solution

The fourth proportional to 149,150.06, 223,422.96 and 69,075.08 is: 103,472.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,150.06 : 223,422.96 = 69,075.08 : x
  2. Step 2: Convert to fraction form
    149,150.06/223,422.96 = 69,075.08/x
  3. Step 3: Cross multiply
    149,150.06x = 223,422.96 × 69,075.08
  4. Step 4: Simplify right side
    149,150.06x = 15,432,958,835.84
  5. Step 5: Solve for x
    x = 15,432,958,835.84/149,150.06
  6. Step 6: Final answer
    x = 103,472.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.