Home / 545,249.25-817,948.40-190,210.05

Finding the Fourth Proportional to 545,249.25, 817,948.40 and 190,210.05

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Solution

The fourth proportional to 545,249.25, 817,948.40 and 190,210.05 is: 285,341.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,249.25 : 817,948.40 = 190,210.05 : x
  2. Step 2: Convert to fraction form
    545,249.25/817,948.40 = 190,210.05/x
  3. Step 3: Cross multiply
    545,249.25x = 817,948.40 × 190,210.05
  4. Step 4: Simplify right side
    545,249.25x = 155,582,005,110.37
  5. Step 5: Solve for x
    x = 155,582,005,110.37/545,249.25
  6. Step 6: Final answer
    x = 285,341.07

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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.