Home / 130,025.40-195,038.10-112,310.70

Finding the Fourth Proportional to 130,025.40, 195,038.10 and 112,310.70

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Solution

The fourth proportional to 130,025.40, 195,038.10 and 112,310.70 is: 168,466.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,025.40 : 195,038.10 = 112,310.70 : x
  2. Step 2: Convert to fraction form
    130,025.40/195,038.10 = 112,310.70/x
  3. Step 3: Cross multiply
    130,025.40x = 195,038.10 × 112,310.70
  4. Step 4: Simplify right side
    130,025.40x = 21,904,865,537.67
  5. Step 5: Solve for x
    x = 21,904,865,537.67/130,025.40
  6. Step 6: Final answer
    x = 168,466.05

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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.