Home / 134,133.12-185,092.86-77,548.14

Finding the Fourth Proportional to 134,133.12, 185,092.86 and 77,548.14

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Solution

The fourth proportional to 134,133.12, 185,092.86 and 77,548.14 is: 107,010.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,133.12 : 185,092.86 = 77,548.14 : x
  2. Step 2: Convert to fraction form
    134,133.12/185,092.86 = 77,548.14/x
  3. Step 3: Cross multiply
    134,133.12x = 185,092.86 × 77,548.14
  4. Step 4: Simplify right side
    134,133.12x = 14,353,607,020.28
  5. Step 5: Solve for x
    x = 14,353,607,020.28/134,133.12
  6. Step 6: Final answer
    x = 107,010.16

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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.