Home / 199,423.72-298,886.12-99,611.77

Finding the Fourth Proportional to 199,423.72, 298,886.12 and 99,611.77

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Solution

The fourth proportional to 199,423.72, 298,886.12 and 99,611.77 is: 149,293.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,423.72 : 298,886.12 = 99,611.77 : x
  2. Step 2: Convert to fraction form
    199,423.72/298,886.12 = 99,611.77/x
  3. Step 3: Cross multiply
    199,423.72x = 298,886.12 × 99,611.77
  4. Step 4: Simplify right side
    199,423.72x = 29,772,575,130.31
  5. Step 5: Solve for x
    x = 29,772,575,130.31/199,423.72
  6. Step 6: Final answer
    x = 149,293.05

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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.