Home / 189,272.10-283,868.05-70,952.16

Finding the Fourth Proportional to 189,272.10, 283,868.05 and 70,952.16

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Solution

The fourth proportional to 189,272.10, 283,868.05 and 70,952.16 is: 106,413.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,272.10 : 283,868.05 = 70,952.16 : x
  2. Step 2: Convert to fraction form
    189,272.10/283,868.05 = 70,952.16/x
  3. Step 3: Cross multiply
    189,272.10x = 283,868.05 × 70,952.16
  4. Step 4: Simplify right side
    189,272.10x = 20,141,051,302.49
  5. Step 5: Solve for x
    x = 20,141,051,302.49/189,272.10
  6. Step 6: Final answer
    x = 106,413.21

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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.