Home / 134,881.14-185,990.13-91,888.50

Finding the Fourth Proportional to 134,881.14, 185,990.13 and 91,888.50

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Solution

The fourth proportional to 134,881.14, 185,990.13 and 91,888.50 is: 126,706.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,881.14 : 185,990.13 = 91,888.50 : x
  2. Step 2: Convert to fraction form
    134,881.14/185,990.13 = 91,888.50/x
  3. Step 3: Cross multiply
    134,881.14x = 185,990.13 × 91,888.50
  4. Step 4: Simplify right side
    134,881.14x = 17,090,354,060.51
  5. Step 5: Solve for x
    x = 17,090,354,060.51/134,881.14
  6. Step 6: Final answer
    x = 126,706.77

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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.