Home / 145,747.06-218,745.21-57,062.85

Finding the Fourth Proportional to 145,747.06, 218,745.21 and 57,062.85

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Solution

The fourth proportional to 145,747.06, 218,745.21 and 57,062.85 is: 85,643.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,747.06 : 218,745.21 = 57,062.85 : x
  2. Step 2: Convert to fraction form
    145,747.06/218,745.21 = 57,062.85/x
  3. Step 3: Cross multiply
    145,747.06x = 218,745.21 × 57,062.85
  4. Step 4: Simplify right side
    145,747.06x = 12,482,223,870.07
  5. Step 5: Solve for x
    x = 12,482,223,870.07/145,747.06
  6. Step 6: Final answer
    x = 85,643.06

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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.