Home / 452,072.55-678,134.80-163,946.92

Finding the Fourth Proportional to 452,072.55, 678,134.80 and 163,946.92

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Solution

The fourth proportional to 452,072.55, 678,134.80 and 163,946.92 is: 245,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,072.55 : 678,134.80 = 163,946.92 : x
  2. Step 2: Convert to fraction form
    452,072.55/678,134.80 = 163,946.92/x
  3. Step 3: Cross multiply
    452,072.55x = 678,134.80 × 163,946.92
  4. Step 4: Simplify right side
    452,072.55x = 111,178,111,804.82
  5. Step 5: Solve for x
    x = 111,178,111,804.82/452,072.55
  6. Step 6: Final answer
    x = 245,929.80

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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.