Home / 187,150.50-258,267.69-102,267.36

Finding the Fourth Proportional to 187,150.50, 258,267.69 and 102,267.36

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Solution

The fourth proportional to 187,150.50, 258,267.69 and 102,267.36 is: 141,128.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,150.50 : 258,267.69 = 102,267.36 : x
  2. Step 2: Convert to fraction form
    187,150.50/258,267.69 = 102,267.36/x
  3. Step 3: Cross multiply
    187,150.50x = 258,267.69 × 102,267.36
  4. Step 4: Simplify right side
    187,150.50x = 26,412,354,829.60
  5. Step 5: Solve for x
    x = 26,412,354,829.60/187,150.50
  6. Step 6: Final answer
    x = 141,128.96

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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.