Home / 187,899.48-259,301.22-103,014.76

Finding the Fourth Proportional to 187,899.48, 259,301.22 and 103,014.76

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Solution

The fourth proportional to 187,899.48, 259,301.22 and 103,014.76 is: 142,160.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,899.48 : 259,301.22 = 103,014.76 : x
  2. Step 2: Convert to fraction form
    187,899.48/259,301.22 = 103,014.76/x
  3. Step 3: Cross multiply
    187,899.48x = 259,301.22 × 103,014.76
  4. Step 4: Simplify right side
    187,899.48x = 26,711,852,946.01
  5. Step 5: Solve for x
    x = 26,711,852,946.01/187,899.48
  6. Step 6: Final answer
    x = 142,160.33

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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.