Home / 446,826.80-670,337.40-147,256.40

Finding the Fourth Proportional to 446,826.80, 670,337.40 and 147,256.40

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Solution

The fourth proportional to 446,826.80, 670,337.40 and 147,256.40 is: 220,916.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,826.80 : 670,337.40 = 147,256.40 : x
  2. Step 2: Convert to fraction form
    446,826.80/670,337.40 = 147,256.40/x
  3. Step 3: Cross multiply
    446,826.80x = 670,337.40 × 147,256.40
  4. Step 4: Simplify right side
    446,826.80x = 98,711,472,309.36
  5. Step 5: Solve for x
    x = 98,711,472,309.36/446,826.80
  6. Step 6: Final answer
    x = 220,916.63

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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.