Home / 190,459.84-262,842.24-105,575.04

Finding the Fourth Proportional to 190,459.84, 262,842.24 and 105,575.04

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Solution

The fourth proportional to 190,459.84, 262,842.24 and 105,575.04 is: 145,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,459.84 : 262,842.24 = 105,575.04 : x
  2. Step 2: Convert to fraction form
    190,459.84/262,842.24 = 105,575.04/x
  3. Step 3: Cross multiply
    190,459.84x = 262,842.24 × 105,575.04
  4. Step 4: Simplify right side
    190,459.84x = 27,749,580,001.69
  5. Step 5: Solve for x
    x = 27,749,580,001.69/190,459.84
  6. Step 6: Final answer
    x = 145,697.80

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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.