Home / 188,243.02-282,399.18-61,890.40

Finding the Fourth Proportional to 188,243.02, 282,399.18 and 61,890.40

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Solution

The fourth proportional to 188,243.02, 282,399.18 and 61,890.40 is: 92,846.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,243.02 : 282,399.18 = 61,890.40 : x
  2. Step 2: Convert to fraction form
    188,243.02/282,399.18 = 61,890.40/x
  3. Step 3: Cross multiply
    188,243.02x = 282,399.18 × 61,890.40
  4. Step 4: Simplify right side
    188,243.02x = 17,477,798,209.87
  5. Step 5: Solve for x
    x = 17,477,798,209.87/188,243.02
  6. Step 6: Final answer
    x = 92,846.99

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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.