Home / 342,860.03-473,148.20-199,718.45

Finding the Fourth Proportional to 342,860.03, 473,148.20 and 199,718.45

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Solution

The fourth proportional to 342,860.03, 473,148.20 and 199,718.45 is: 275,612.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,860.03 : 473,148.20 = 199,718.45 : x
  2. Step 2: Convert to fraction form
    342,860.03/473,148.20 = 199,718.45/x
  3. Step 3: Cross multiply
    342,860.03x = 473,148.20 × 199,718.45
  4. Step 4: Simplify right side
    342,860.03x = 94,496,425,124.29
  5. Step 5: Solve for x
    x = 94,496,425,124.29/342,860.03
  6. Step 6: Final answer
    x = 275,612.25

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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.