Home / 142,197.93-213,253.16-75,601.35

Finding the Fourth Proportional to 142,197.93, 213,253.16 and 75,601.35

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Solution

The fourth proportional to 142,197.93, 213,253.16 and 75,601.35 is: 113,378.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,197.93 : 213,253.16 = 75,601.35 : x
  2. Step 2: Convert to fraction form
    142,197.93/213,253.16 = 75,601.35/x
  3. Step 3: Cross multiply
    142,197.93x = 213,253.16 × 75,601.35
  4. Step 4: Simplify right side
    142,197.93x = 16,122,226,409.76
  5. Step 5: Solve for x
    x = 16,122,226,409.76/142,197.93
  6. Step 6: Final answer
    x = 113,378.77

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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.