Home / 522,128.45-783,307.49-167,178.35

Finding the Fourth Proportional to 522,128.45, 783,307.49 and 167,178.35

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Solution

The fourth proportional to 522,128.45, 783,307.49 and 167,178.35 is: 250,804.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,128.45 : 783,307.49 = 167,178.35 : x
  2. Step 2: Convert to fraction form
    522,128.45/783,307.49 = 167,178.35/x
  3. Step 3: Cross multiply
    522,128.45x = 783,307.49 × 167,178.35
  4. Step 4: Simplify right side
    522,128.45x = 130,952,048,968.41
  5. Step 5: Solve for x
    x = 130,952,048,968.41/522,128.45
  6. Step 6: Final answer
    x = 250,804.28

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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.