Home / 353,289.01-487,541.13-192,145.23

Finding the Fourth Proportional to 353,289.01, 487,541.13 and 192,145.23

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Solution

The fourth proportional to 353,289.01, 487,541.13 and 192,145.23 is: 265,161.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,289.01 : 487,541.13 = 192,145.23 : x
  2. Step 2: Convert to fraction form
    353,289.01/487,541.13 = 192,145.23/x
  3. Step 3: Cross multiply
    353,289.01x = 487,541.13 × 192,145.23
  4. Step 4: Simplify right side
    353,289.01x = 93,678,702,558.31
  5. Step 5: Solve for x
    x = 93,678,702,558.31/353,289.01
  6. Step 6: Final answer
    x = 265,161.67

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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.