Home / 190,676.40-286,319.96-157,323.84

Finding the Fourth Proportional to 190,676.40, 286,319.96 and 157,323.84

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Solution

The fourth proportional to 190,676.40, 286,319.96 and 157,323.84 is: 236,237.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,676.40 : 286,319.96 = 157,323.84 : x
  2. Step 2: Convert to fraction form
    190,676.40/286,319.96 = 157,323.84/x
  3. Step 3: Cross multiply
    190,676.40x = 286,319.96 × 157,323.84
  4. Step 4: Simplify right side
    190,676.40x = 45,044,955,575.85
  5. Step 5: Solve for x
    x = 45,044,955,575.85/190,676.40
  6. Step 6: Final answer
    x = 236,237.71

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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.