Home / 155,429.07-233,143.65-43,137.60

Finding the Fourth Proportional to 155,429.07, 233,143.65 and 43,137.60

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Solution

The fourth proportional to 155,429.07, 233,143.65 and 43,137.60 is: 64,706.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,429.07 : 233,143.65 = 43,137.60 : x
  2. Step 2: Convert to fraction form
    155,429.07/233,143.65 = 43,137.60/x
  3. Step 3: Cross multiply
    155,429.07x = 233,143.65 × 43,137.60
  4. Step 4: Simplify right side
    155,429.07x = 10,057,257,516.24
  5. Step 5: Solve for x
    x = 10,057,257,516.24/155,429.07
  6. Step 6: Final answer
    x = 64,706.41

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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.