Home / 190,962.96-286,444.56-72,606.96

Finding the Fourth Proportional to 190,962.96, 286,444.56 and 72,606.96

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Solution

The fourth proportional to 190,962.96, 286,444.56 and 72,606.96 is: 108,910.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,962.96 : 286,444.56 = 72,606.96 : x
  2. Step 2: Convert to fraction form
    190,962.96/286,444.56 = 72,606.96/x
  3. Step 3: Cross multiply
    190,962.96x = 286,444.56 × 72,606.96
  4. Step 4: Simplify right side
    190,962.96x = 20,797,868,710.14
  5. Step 5: Solve for x
    x = 20,797,868,710.14/190,962.96
  6. Step 6: Final answer
    x = 108,910.49

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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.