Home / 278,728.02-384,804.24-183,511.50

Finding the Fourth Proportional to 278,728.02, 384,804.24 and 183,511.50

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Solution

The fourth proportional to 278,728.02, 384,804.24 and 183,511.50 is: 253,350.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,728.02 : 384,804.24 = 183,511.50 : x
  2. Step 2: Convert to fraction form
    278,728.02/384,804.24 = 183,511.50/x
  3. Step 3: Cross multiply
    278,728.02x = 384,804.24 × 183,511.50
  4. Step 4: Simplify right side
    278,728.02x = 70,616,003,288.76
  5. Step 5: Solve for x
    x = 70,616,003,288.76/278,728.02
  6. Step 6: Final answer
    x = 253,350.93

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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.