Home / 369,243.16-509,556.08-199,477.32

Finding the Fourth Proportional to 369,243.16, 509,556.08 and 199,477.32

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Solution

The fourth proportional to 369,243.16, 509,556.08 and 199,477.32 is: 275,278.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,243.16 : 509,556.08 = 199,477.32 : x
  2. Step 2: Convert to fraction form
    369,243.16/509,556.08 = 199,477.32/x
  3. Step 3: Cross multiply
    369,243.16x = 509,556.08 × 199,477.32
  4. Step 4: Simplify right side
    369,243.16x = 101,644,881,228.11
  5. Step 5: Solve for x
    x = 101,644,881,228.11/369,243.16
  6. Step 6: Final answer
    x = 275,278.98

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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.