Home / 319,826.72-441,378.16-176,586.32

Finding the Fourth Proportional to 319,826.72, 441,378.16 and 176,586.32

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Solution

The fourth proportional to 319,826.72, 441,378.16 and 176,586.32 is: 243,698.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,826.72 : 441,378.16 = 176,586.32 : x
  2. Step 2: Convert to fraction form
    319,826.72/441,378.16 = 176,586.32/x
  3. Step 3: Cross multiply
    319,826.72x = 441,378.16 × 176,586.32
  4. Step 4: Simplify right side
    319,826.72x = 77,941,345,002.77
  5. Step 5: Solve for x
    x = 77,941,345,002.77/319,826.72
  6. Step 6: Final answer
    x = 243,698.67

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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.