Home / 147,133.07-220,647.72-47,259.53

Finding the Fourth Proportional to 147,133.07, 220,647.72 and 47,259.53

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Solution

The fourth proportional to 147,133.07, 220,647.72 and 47,259.53 is: 70,872.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,133.07 : 220,647.72 = 47,259.53 : x
  2. Step 2: Convert to fraction form
    147,133.07/220,647.72 = 47,259.53/x
  3. Step 3: Cross multiply
    147,133.07x = 220,647.72 × 47,259.53
  4. Step 4: Simplify right side
    147,133.07x = 10,427,707,542.77
  5. Step 5: Solve for x
    x = 10,427,707,542.77/147,133.07
  6. Step 6: Final answer
    x = 70,872.63

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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.