Home / 228,055.80-342,278.10-101,890.20

Finding the Fourth Proportional to 228,055.80, 342,278.10 and 101,890.20

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Solution

The fourth proportional to 228,055.80, 342,278.10 and 101,890.20 is: 152,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,055.80 : 342,278.10 = 101,890.20 : x
  2. Step 2: Convert to fraction form
    228,055.80/342,278.10 = 101,890.20/x
  3. Step 3: Cross multiply
    228,055.80x = 342,278.10 × 101,890.20
  4. Step 4: Simplify right side
    228,055.80x = 34,874,784,064.62
  5. Step 5: Solve for x
    x = 34,874,784,064.62/228,055.80
  6. Step 6: Final answer
    x = 152,922.15

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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.