Home / 131,657.06-197,506.14-42,889.94

Finding the Fourth Proportional to 131,657.06, 197,506.14 and 42,889.94

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Solution

The fourth proportional to 131,657.06, 197,506.14 and 42,889.94 is: 64,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,657.06 : 197,506.14 = 42,889.94 : x
  2. Step 2: Convert to fraction form
    131,657.06/197,506.14 = 42,889.94/x
  3. Step 3: Cross multiply
    131,657.06x = 197,506.14 × 42,889.94
  4. Step 4: Simplify right side
    131,657.06x = 8,471,026,494.23
  5. Step 5: Solve for x
    x = 8,471,026,494.23/131,657.06
  6. Step 6: Final answer
    x = 64,341.60

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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.