Home / 131,559.12-197,215.32-64,076.40

Finding the Fourth Proportional to 131,559.12, 197,215.32 and 64,076.40

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Solution

The fourth proportional to 131,559.12, 197,215.32 and 64,076.40 is: 96,054.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,559.12 : 197,215.32 = 64,076.40 : x
  2. Step 2: Convert to fraction form
    131,559.12/197,215.32 = 64,076.40/x
  3. Step 3: Cross multiply
    131,559.12x = 197,215.32 × 64,076.40
  4. Step 4: Simplify right side
    131,559.12x = 12,636,847,730.45
  5. Step 5: Solve for x
    x = 12,636,847,730.45/131,559.12
  6. Step 6: Final answer
    x = 96,054.52

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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.