Home / 127,436.74-191,035.69-43,137.94

Finding the Fourth Proportional to 127,436.74, 191,035.69 and 43,137.94

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Solution

The fourth proportional to 127,436.74, 191,035.69 and 43,137.94 is: 64,666.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,436.74 : 191,035.69 = 43,137.94 : x
  2. Step 2: Convert to fraction form
    127,436.74/191,035.69 = 43,137.94/x
  3. Step 3: Cross multiply
    127,436.74x = 191,035.69 × 43,137.94
  4. Step 4: Simplify right side
    127,436.74x = 8,240,886,133.08
  5. Step 5: Solve for x
    x = 8,240,886,133.08/127,436.74
  6. Step 6: Final answer
    x = 64,666.49

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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.