Home / 187,150.10-258,267.80-102,267.16

Finding the Fourth Proportional to 187,150.10, 258,267.80 and 102,267.16

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Solution

The fourth proportional to 187,150.10, 258,267.80 and 102,267.16 is: 141,129.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,150.10 : 258,267.80 = 102,267.16 : x
  2. Step 2: Convert to fraction form
    187,150.10/258,267.80 = 102,267.16/x
  3. Step 3: Cross multiply
    187,150.10x = 258,267.80 × 102,267.16
  4. Step 4: Simplify right side
    187,150.10x = 26,412,314,035.45
  5. Step 5: Solve for x
    x = 26,412,314,035.45/187,150.10
  6. Step 6: Final answer
    x = 141,129.04

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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.