Home / 131,402.10-197,117.55-127,254.90

Finding the Fourth Proportional to 131,402.10, 197,117.55 and 127,254.90

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Solution

The fourth proportional to 131,402.10, 197,117.55 and 127,254.90 is: 190,896.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,402.10 : 197,117.55 = 127,254.90 : x
  2. Step 2: Convert to fraction form
    131,402.10/197,117.55 = 127,254.90/x
  3. Step 3: Cross multiply
    131,402.10x = 197,117.55 × 127,254.90
  4. Step 4: Simplify right side
    131,402.10x = 25,084,174,113.50
  5. Step 5: Solve for x
    x = 25,084,174,113.50/131,402.10
  6. Step 6: Final answer
    x = 190,896.30

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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.