Home / 101,329.24-152,024.62-71,804.20

Finding the Fourth Proportional to 101,329.24, 152,024.62 and 71,804.20

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Solution

The fourth proportional to 101,329.24, 152,024.62 and 71,804.20 is: 107,728.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,329.24 : 152,024.62 = 71,804.20 : x
  2. Step 2: Convert to fraction form
    101,329.24/152,024.62 = 71,804.20/x
  3. Step 3: Cross multiply
    101,329.24x = 152,024.62 × 71,804.20
  4. Step 4: Simplify right side
    101,329.24x = 10,916,006,219.40
  5. Step 5: Solve for x
    x = 10,916,006,219.40/101,329.24
  6. Step 6: Final answer
    x = 107,728.10

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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.