Home / 190,181.75-262,459.02-105,298.82

Finding the Fourth Proportional to 190,181.75, 262,459.02 and 105,298.82

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Solution

The fourth proportional to 190,181.75, 262,459.02 and 105,298.82 is: 145,316.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,181.75 : 262,459.02 = 105,298.82 : x
  2. Step 2: Convert to fraction form
    190,181.75/262,459.02 = 105,298.82/x
  3. Step 3: Cross multiply
    190,181.75x = 262,459.02 × 105,298.82
  4. Step 4: Simplify right side
    190,181.75x = 27,636,623,265.57
  5. Step 5: Solve for x
    x = 27,636,623,265.57/190,181.75
  6. Step 6: Final answer
    x = 145,316.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.