Home / 158,280.11-237,438.92-99,120.68

Finding the Fourth Proportional to 158,280.11, 237,438.92 and 99,120.68

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Solution

The fourth proportional to 158,280.11, 237,438.92 and 99,120.68 is: 148,692.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,280.11 : 237,438.92 = 99,120.68 : x
  2. Step 2: Convert to fraction form
    158,280.11/237,438.92 = 99,120.68/x
  3. Step 3: Cross multiply
    158,280.11x = 237,438.92 × 99,120.68
  4. Step 4: Simplify right side
    158,280.11x = 23,535,107,208.87
  5. Step 5: Solve for x
    x = 23,535,107,208.87/158,280.11
  6. Step 6: Final answer
    x = 148,692.77

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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.