Home / 101,197.20-151,674.30-42,002.40

Finding the Fourth Proportional to 101,197.20, 151,674.30 and 42,002.40

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Solution

The fourth proportional to 101,197.20, 151,674.30 and 42,002.40 is: 62,953.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,197.20 : 151,674.30 = 42,002.40 : x
  2. Step 2: Convert to fraction form
    101,197.20/151,674.30 = 42,002.40/x
  3. Step 3: Cross multiply
    101,197.20x = 151,674.30 × 42,002.40
  4. Step 4: Simplify right side
    101,197.20x = 6,370,684,618.32
  5. Step 5: Solve for x
    x = 6,370,684,618.32/101,197.20
  6. Step 6: Final answer
    x = 62,953.17

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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.