Home / 150,075.20-224,731.78-90,065.90

Finding the Fourth Proportional to 150,075.20, 224,731.78 and 90,065.90

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Solution

The fourth proportional to 150,075.20, 224,731.78 and 90,065.90 is: 134,870.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,075.20 : 224,731.78 = 90,065.90 : x
  2. Step 2: Convert to fraction form
    150,075.20/224,731.78 = 90,065.90/x
  3. Step 3: Cross multiply
    150,075.20x = 224,731.78 × 90,065.90
  4. Step 4: Simplify right side
    150,075.20x = 20,240,670,024.30
  5. Step 5: Solve for x
    x = 20,240,670,024.30/150,075.20
  6. Step 6: Final answer
    x = 134,870.19

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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.