Home / 143,349.08-215,050.79-47,292.10

Finding the Fourth Proportional to 143,349.08, 215,050.79 and 47,292.10

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Solution

The fourth proportional to 143,349.08, 215,050.79 and 47,292.10 is: 70,947.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,349.08 : 215,050.79 = 47,292.10 : x
  2. Step 2: Convert to fraction form
    143,349.08/215,050.79 = 47,292.10/x
  3. Step 3: Cross multiply
    143,349.08x = 215,050.79 × 47,292.10
  4. Step 4: Simplify right side
    143,349.08x = 10,170,203,046.36
  5. Step 5: Solve for x
    x = 10,170,203,046.36/143,349.08
  6. Step 6: Final answer
    x = 70,947.11

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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.