Home / 199,592.10-299,445.53-115,412.58

Finding the Fourth Proportional to 199,592.10, 299,445.53 and 115,412.58

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Solution

The fourth proportional to 199,592.10, 299,445.53 and 115,412.58 is: 173,152.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,592.10 : 299,445.53 = 115,412.58 : x
  2. Step 2: Convert to fraction form
    199,592.10/299,445.53 = 115,412.58/x
  3. Step 3: Cross multiply
    199,592.10x = 299,445.53 × 115,412.58
  4. Step 4: Simplify right side
    199,592.10x = 34,559,780,609.70
  5. Step 5: Solve for x
    x = 34,559,780,609.70/199,592.10
  6. Step 6: Final answer
    x = 173,152.05

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1.5x scale

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.