Home / 151,024.07-208,367.06-99,326.43

Finding the Fourth Proportional to 151,024.07, 208,367.06 and 99,326.43

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Solution

The fourth proportional to 151,024.07, 208,367.06 and 99,326.43 is: 137,040.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,024.07 : 208,367.06 = 99,326.43 : x
  2. Step 2: Convert to fraction form
    151,024.07/208,367.06 = 99,326.43/x
  3. Step 3: Cross multiply
    151,024.07x = 208,367.06 × 99,326.43
  4. Step 4: Simplify right side
    151,024.07x = 20,696,356,199.40
  5. Step 5: Solve for x
    x = 20,696,356,199.40/151,024.07
  6. Step 6: Final answer
    x = 137,040.12

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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.