Home / 127,647.02-191,477.73-38,903.42

Finding the Fourth Proportional to 127,647.02, 191,477.73 and 38,903.42

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Solution

The fourth proportional to 127,647.02, 191,477.73 and 38,903.42 is: 58,357.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,647.02 : 191,477.73 = 38,903.42 : x
  2. Step 2: Convert to fraction form
    127,647.02/191,477.73 = 38,903.42/x
  3. Step 3: Cross multiply
    127,647.02x = 191,477.73 × 38,903.42
  4. Step 4: Simplify right side
    127,647.02x = 7,449,138,550.84
  5. Step 5: Solve for x
    x = 7,449,138,550.84/127,647.02
  6. Step 6: Final answer
    x = 58,357.32

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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.