Home / 171,143.04-236,078.40-103,113.60

Finding the Fourth Proportional to 171,143.04, 236,078.40 and 103,113.60

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Solution

The fourth proportional to 171,143.04, 236,078.40 and 103,113.60 is: 142,237.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,143.04 : 236,078.40 = 103,113.60 : x
  2. Step 2: Convert to fraction form
    171,143.04/236,078.40 = 103,113.60/x
  3. Step 3: Cross multiply
    171,143.04x = 236,078.40 × 103,113.60
  4. Step 4: Simplify right side
    171,143.04x = 24,342,893,706.24
  5. Step 5: Solve for x
    x = 24,342,893,706.24/171,143.04
  6. Step 6: Final answer
    x = 142,237.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.