Home / 130,002.10-195,003.15-82,762.90

Finding the Fourth Proportional to 130,002.10, 195,003.15 and 82,762.90

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Solution

The fourth proportional to 130,002.10, 195,003.15 and 82,762.90 is: 124,144.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,002.10 : 195,003.15 = 82,762.90 : x
  2. Step 2: Convert to fraction form
    130,002.10/195,003.15 = 82,762.90/x
  3. Step 3: Cross multiply
    130,002.10x = 195,003.15 × 82,762.90
  4. Step 4: Simplify right side
    130,002.10x = 16,139,026,203.14
  5. Step 5: Solve for x
    x = 16,139,026,203.14/130,002.10
  6. Step 6: Final answer
    x = 124,144.35

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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.