Home / 131,409.10-197,113.65-130,026.70

Finding the Fourth Proportional to 131,409.10, 197,113.65 and 130,026.70

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Solution

The fourth proportional to 131,409.10, 197,113.65 and 130,026.70 is: 195,040.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,409.10 : 197,113.65 = 130,026.70 : x
  2. Step 2: Convert to fraction form
    131,409.10/197,113.65 = 130,026.70/x
  3. Step 3: Cross multiply
    131,409.10x = 197,113.65 × 130,026.70
  4. Step 4: Simplify right side
    131,409.10x = 25,630,037,434.46
  5. Step 5: Solve for x
    x = 25,630,037,434.46/131,409.10
  6. Step 6: Final answer
    x = 195,040.05

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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.