Home / 369,223.40-509,530.26-208,080.92

Finding the Fourth Proportional to 369,223.40, 509,530.26 and 208,080.92

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Solution

The fourth proportional to 369,223.40, 509,530.26 and 208,080.92 is: 287,152.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,223.40 : 509,530.26 = 208,080.92 : x
  2. Step 2: Convert to fraction form
    369,223.40/509,530.26 = 208,080.92/x
  3. Step 3: Cross multiply
    369,223.40x = 509,530.26 × 208,080.92
  4. Step 4: Simplify right side
    369,223.40x = 106,023,525,268.64
  5. Step 5: Solve for x
    x = 106,023,525,268.64/369,223.40
  6. Step 6: Final answer
    x = 287,152.78

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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.