Home / 199,326.65-275,137.43-118,779.44

Finding the Fourth Proportional to 199,326.65, 275,137.43 and 118,779.44

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Solution

The fourth proportional to 199,326.65, 275,137.43 and 118,779.44 is: 163,955.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,326.65 : 275,137.43 = 118,779.44 : x
  2. Step 2: Convert to fraction form
    199,326.65/275,137.43 = 118,779.44/x
  3. Step 3: Cross multiply
    199,326.65x = 275,137.43 × 118,779.44
  4. Step 4: Simplify right side
    199,326.65x = 32,680,667,888.85
  5. Step 5: Solve for x
    x = 32,680,667,888.85/199,326.65
  6. Step 6: Final answer
    x = 163,955.34

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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.