Home / 130,905.99-196,384.91-42,152.67

Finding the Fourth Proportional to 130,905.99, 196,384.91 and 42,152.67

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Solution

The fourth proportional to 130,905.99, 196,384.91 and 42,152.67 is: 63,237.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,905.99 : 196,384.91 = 42,152.67 : x
  2. Step 2: Convert to fraction form
    130,905.99/196,384.91 = 42,152.67/x
  3. Step 3: Cross multiply
    130,905.99x = 196,384.91 × 42,152.67
  4. Step 4: Simplify right side
    130,905.99x = 8,278,148,093.45
  5. Step 5: Solve for x
    x = 8,278,148,093.45/130,905.99
  6. Step 6: Final answer
    x = 63,237.35

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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.