Home / 261,853.08-361,341.18-154,427.64

Finding the Fourth Proportional to 261,853.08, 361,341.18 and 154,427.64

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Solution

The fourth proportional to 261,853.08, 361,341.18 and 154,427.64 is: 213,100.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,853.08 : 361,341.18 = 154,427.64 : x
  2. Step 2: Convert to fraction form
    261,853.08/361,341.18 = 154,427.64/x
  3. Step 3: Cross multiply
    261,853.08x = 361,341.18 × 154,427.64
  4. Step 4: Simplify right side
    261,853.08x = 55,801,065,662.22
  5. Step 5: Solve for x
    x = 55,801,065,662.22/261,853.08
  6. Step 6: Final answer
    x = 213,100.67

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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.