Home / 342,918.09-473,186.34-197,722.35

Finding the Fourth Proportional to 342,918.09, 473,186.34 and 197,722.35

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Solution

The fourth proportional to 342,918.09, 473,186.34 and 197,722.35 is: 272,833.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,918.09 : 473,186.34 = 197,722.35 : x
  2. Step 2: Convert to fraction form
    342,918.09/473,186.34 = 197,722.35/x
  3. Step 3: Cross multiply
    342,918.09x = 473,186.34 × 197,722.35
  4. Step 4: Simplify right side
    342,918.09x = 93,559,515,132.70
  5. Step 5: Solve for x
    x = 93,559,515,132.70/342,918.09
  6. Step 6: Final answer
    x = 272,833.42

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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.