Home / 329,824.64-455,168.18-186,581.82

Finding the Fourth Proportional to 329,824.64, 455,168.18 and 186,581.82

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Solution

The fourth proportional to 329,824.64, 455,168.18 and 186,581.82 is: 257,488.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,824.64 : 455,168.18 = 186,581.82 : x
  2. Step 2: Convert to fraction form
    329,824.64/455,168.18 = 186,581.82/x
  3. Step 3: Cross multiply
    329,824.64x = 455,168.18 × 186,581.82
  4. Step 4: Simplify right side
    329,824.64x = 84,926,107,430.49
  5. Step 5: Solve for x
    x = 84,926,107,430.49/329,824.64
  6. Step 6: Final answer
    x = 257,488.67

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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.