Home / 142,923.68-214,417.92-49,430.24

Finding the Fourth Proportional to 142,923.68, 214,417.92 and 49,430.24

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Solution

The fourth proportional to 142,923.68, 214,417.92 and 49,430.24 is: 74,156.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,923.68 : 214,417.92 = 49,430.24 : x
  2. Step 2: Convert to fraction form
    142,923.68/214,417.92 = 49,430.24/x
  3. Step 3: Cross multiply
    142,923.68x = 214,417.92 × 49,430.24
  4. Step 4: Simplify right side
    142,923.68x = 10,598,729,245.90
  5. Step 5: Solve for x
    x = 10,598,729,245.90/142,923.68
  6. Step 6: Final answer
    x = 74,156.57

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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.