Home / 142,923.34-214,315.55-43,064.92

Finding the Fourth Proportional to 142,923.34, 214,315.55 and 43,064.92

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Solution

The fourth proportional to 142,923.34, 214,315.55 and 43,064.92 is: 64,576.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,923.34 : 214,315.55 = 43,064.92 : x
  2. Step 2: Convert to fraction form
    142,923.34/214,315.55 = 43,064.92/x
  3. Step 3: Cross multiply
    142,923.34x = 214,315.55 × 43,064.92
  4. Step 4: Simplify right side
    142,923.34x = 9,229,481,264.39
  5. Step 5: Solve for x
    x = 9,229,481,264.39/142,923.34
  6. Step 6: Final answer
    x = 64,576.45

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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.