Home / 122,689.04-184,033.16-38,455.60

Finding the Fourth Proportional to 122,689.04, 184,033.16 and 38,455.60

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Solution

The fourth proportional to 122,689.04, 184,033.16 and 38,455.60 is: 57,683.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,689.04 : 184,033.16 = 38,455.60 : x
  2. Step 2: Convert to fraction form
    122,689.04/184,033.16 = 38,455.60/x
  3. Step 3: Cross multiply
    122,689.04x = 184,033.16 × 38,455.60
  4. Step 4: Simplify right side
    122,689.04x = 7,077,105,587.70
  5. Step 5: Solve for x
    x = 7,077,105,587.70/122,689.04
  6. Step 6: Final answer
    x = 57,683.27

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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.