Home / 187,835.10-259,312.23-127,726.62

Finding the Fourth Proportional to 187,835.10, 259,312.23 and 127,726.62

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Solution

The fourth proportional to 187,835.10, 259,312.23 and 127,726.62 is: 176,330.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,835.10 : 259,312.23 = 127,726.62 : x
  2. Step 2: Convert to fraction form
    187,835.10/259,312.23 = 127,726.62/x
  3. Step 3: Cross multiply
    187,835.10x = 259,312.23 × 127,726.62
  4. Step 4: Simplify right side
    187,835.10x = 33,121,074,662.56
  5. Step 5: Solve for x
    x = 33,121,074,662.56/187,835.10
  6. Step 6: Final answer
    x = 176,330.59

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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.