Home / 190,774.08-286,204.32-101,980.80

Finding the Fourth Proportional to 190,774.08, 286,204.32 and 101,980.80

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Solution

The fourth proportional to 190,774.08, 286,204.32 and 101,980.80 is: 152,994.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,774.08 : 286,204.32 = 101,980.80 : x
  2. Step 2: Convert to fraction form
    190,774.08/286,204.32 = 101,980.80/x
  3. Step 3: Cross multiply
    190,774.08x = 286,204.32 × 101,980.80
  4. Step 4: Simplify right side
    190,774.08x = 29,187,345,517.06
  5. Step 5: Solve for x
    x = 29,187,345,517.06/190,774.08
  6. Step 6: Final answer
    x = 152,994.29

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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.