Home / 192,780.07-266,036.47-107,897.13

Finding the Fourth Proportional to 192,780.07, 266,036.47 and 107,897.13

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Solution

The fourth proportional to 192,780.07, 266,036.47 and 107,897.13 is: 148,898.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,780.07 : 266,036.47 = 107,897.13 : x
  2. Step 2: Convert to fraction form
    192,780.07/266,036.47 = 107,897.13/x
  3. Step 3: Cross multiply
    192,780.07x = 266,036.47 × 107,897.13
  4. Step 4: Simplify right side
    192,780.07x = 28,704,571,048.85
  5. Step 5: Solve for x
    x = 28,704,571,048.85/192,780.07
  6. Step 6: Final answer
    x = 148,898.02

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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.