Home / 130,055.63-195,122.77-92,178.15

Finding the Fourth Proportional to 130,055.63, 195,122.77 and 92,178.15

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Solution

The fourth proportional to 130,055.63, 195,122.77 and 92,178.15 is: 138,295.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,055.63 : 195,122.77 = 92,178.15 : x
  2. Step 2: Convert to fraction form
    130,055.63/195,122.77 = 92,178.15/x
  3. Step 3: Cross multiply
    130,055.63x = 195,122.77 × 92,178.15
  4. Step 4: Simplify right side
    130,055.63x = 17,986,056,615.39
  5. Step 5: Solve for x
    x = 17,986,056,615.39/130,055.63
  6. Step 6: Final answer
    x = 138,295.11

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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.