Home / 193,386.07-266,868.57-107,339.98

Finding the Fourth Proportional to 193,386.07, 266,868.57 and 107,339.98

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Solution

The fourth proportional to 193,386.07, 266,868.57 and 107,339.98 is: 148,126.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,386.07 : 266,868.57 = 107,339.98 : x
  2. Step 2: Convert to fraction form
    193,386.07/266,868.57 = 107,339.98/x
  3. Step 3: Cross multiply
    193,386.07x = 266,868.57 × 107,339.98
  4. Step 4: Simplify right side
    193,386.07x = 28,645,666,966.43
  5. Step 5: Solve for x
    x = 28,645,666,966.43/193,386.07
  6. Step 6: Final answer
    x = 148,126.84

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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.