Home / 209,356.16-288,964.44-118,766.12

Finding the Fourth Proportional to 209,356.16, 288,964.44 and 118,766.12

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Solution

The fourth proportional to 209,356.16, 288,964.44 and 118,766.12 is: 163,927.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,356.16 : 288,964.44 = 118,766.12 : x
  2. Step 2: Convert to fraction form
    209,356.16/288,964.44 = 118,766.12/x
  3. Step 3: Cross multiply
    209,356.16x = 288,964.44 × 118,766.12
  4. Step 4: Simplify right side
    209,356.16x = 34,319,185,356.77
  5. Step 5: Solve for x
    x = 34,319,185,356.77/209,356.16
  6. Step 6: Final answer
    x = 163,927.28

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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.