Home / 377,987.19-566,681.09-198,038.12

Finding the Fourth Proportional to 377,987.19, 566,681.09 and 198,038.12

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Solution

The fourth proportional to 377,987.19, 566,681.09 and 198,038.12 is: 296,900.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,987.19 : 566,681.09 = 198,038.12 : x
  2. Step 2: Convert to fraction form
    377,987.19/566,681.09 = 198,038.12/x
  3. Step 3: Cross multiply
    377,987.19x = 566,681.09 × 198,038.12
  4. Step 4: Simplify right side
    377,987.19x = 112,224,453,879.56
  5. Step 5: Solve for x
    x = 112,224,453,879.56/377,987.19
  6. Step 6: Final answer
    x = 296,900.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.