Home / 253,436.03-349,168.18-208,042.11

Finding the Fourth Proportional to 253,436.03, 349,168.18 and 208,042.11

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Solution

The fourth proportional to 253,436.03, 349,168.18 and 208,042.11 is: 286,627.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,436.03 : 349,168.18 = 208,042.11 : x
  2. Step 2: Convert to fraction form
    253,436.03/349,168.18 = 208,042.11/x
  3. Step 3: Cross multiply
    253,436.03x = 349,168.18 × 208,042.11
  4. Step 4: Simplify right side
    253,436.03x = 72,641,684,912.06
  5. Step 5: Solve for x
    x = 72,641,684,912.06/253,436.03
  6. Step 6: Final answer
    x = 286,627.30

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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.