Home / 198,567.72-299,339.28-185,370.12

Finding the Fourth Proportional to 198,567.72, 299,339.28 and 185,370.12

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Solution

The fourth proportional to 198,567.72, 299,339.28 and 185,370.12 is: 279,444.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,567.72 : 299,339.28 = 185,370.12 : x
  2. Step 2: Convert to fraction form
    198,567.72/299,339.28 = 185,370.12/x
  3. Step 3: Cross multiply
    198,567.72x = 299,339.28 × 185,370.12
  4. Step 4: Simplify right side
    198,567.72x = 55,488,558,254.31
  5. Step 5: Solve for x
    x = 55,488,558,254.31/198,567.72
  6. Step 6: Final answer
    x = 279,444.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.