Home / 356,276.35-534,288.47-103,504.25

Finding the Fourth Proportional to 356,276.35, 534,288.47 and 103,504.25

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Solution

The fourth proportional to 356,276.35, 534,288.47 and 103,504.25 is: 155,219.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,276.35 : 534,288.47 = 103,504.25 : x
  2. Step 2: Convert to fraction form
    356,276.35/534,288.47 = 103,504.25/x
  3. Step 3: Cross multiply
    356,276.35x = 534,288.47 × 103,504.25
  4. Step 4: Simplify right side
    356,276.35x = 55,301,127,371.00
  5. Step 5: Solve for x
    x = 55,301,127,371.00/356,276.35
  6. Step 6: Final answer
    x = 155,219.75

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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.