Home / 130,025.40-195,038.10-110,342.40

Finding the Fourth Proportional to 130,025.40, 195,038.10 and 110,342.40

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Solution

The fourth proportional to 130,025.40, 195,038.10 and 110,342.40 is: 165,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,025.40 : 195,038.10 = 110,342.40 : x
  2. Step 2: Convert to fraction form
    130,025.40/195,038.10 = 110,342.40/x
  3. Step 3: Cross multiply
    130,025.40x = 195,038.10 × 110,342.40
  4. Step 4: Simplify right side
    130,025.40x = 21,520,972,045.44
  5. Step 5: Solve for x
    x = 21,520,972,045.44/130,025.40
  6. Step 6: Final answer
    x = 165,513.60

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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.