Home / 452,073.54-678,136.29-163,947.93

Finding the Fourth Proportional to 452,073.54, 678,136.29 and 163,947.93

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Solution

The fourth proportional to 452,073.54, 678,136.29 and 163,947.93 is: 245,931.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,073.54 : 678,136.29 = 163,947.93 : x
  2. Step 2: Convert to fraction form
    452,073.54/678,136.29 = 163,947.93/x
  3. Step 3: Cross multiply
    452,073.54x = 678,136.29 × 163,947.93
  4. Step 4: Simplify right side
    452,073.54x = 111,179,041,003.38
  5. Step 5: Solve for x
    x = 111,179,041,003.38/452,073.54
  6. Step 6: Final answer
    x = 245,931.32

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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.