Home / 188,536.23-260,190.51-103,670.91

Finding the Fourth Proportional to 188,536.23, 260,190.51 and 103,670.91

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Solution

The fourth proportional to 188,536.23, 260,190.51 and 103,670.91 is: 143,071.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,536.23 : 260,190.51 = 103,670.91 : x
  2. Step 2: Convert to fraction form
    188,536.23/260,190.51 = 103,670.91/x
  3. Step 3: Cross multiply
    188,536.23x = 260,190.51 × 103,670.91
  4. Step 4: Simplify right side
    188,536.23x = 26,974,186,945.06
  5. Step 5: Solve for x
    x = 26,974,186,945.06/188,536.23
  6. Step 6: Final answer
    x = 143,071.64

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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.