Home / 628,075.08-942,113.14-154,760.49

Finding the Fourth Proportional to 628,075.08, 942,113.14 and 154,760.49

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Solution

The fourth proportional to 628,075.08, 942,113.14 and 154,760.49 is: 232,140.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,075.08 : 942,113.14 = 154,760.49 : x
  2. Step 2: Convert to fraction form
    628,075.08/942,113.14 = 154,760.49/x
  3. Step 3: Cross multiply
    628,075.08x = 942,113.14 × 154,760.49
  4. Step 4: Simplify right side
    628,075.08x = 145,801,890,794.94
  5. Step 5: Solve for x
    x = 145,801,890,794.94/628,075.08
  6. Step 6: Final answer
    x = 232,140.86

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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.