Home / 356,621.09-492,129.32-195,472.67

Finding the Fourth Proportional to 356,621.09, 492,129.32 and 195,472.67

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Solution

The fourth proportional to 356,621.09, 492,129.32 and 195,472.67 is: 269,748.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,621.09 : 492,129.32 = 195,472.67 : x
  2. Step 2: Convert to fraction form
    356,621.09/492,129.32 = 195,472.67/x
  3. Step 3: Cross multiply
    356,621.09x = 492,129.32 × 195,472.67
  4. Step 4: Simplify right side
    356,621.09x = 96,197,828,727.67
  5. Step 5: Solve for x
    x = 96,197,828,727.67/356,621.09
  6. Step 6: Final answer
    x = 269,748.01

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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.