Home / 219,011.66-302,236.54-118,409.66

Finding the Fourth Proportional to 219,011.66, 302,236.54 and 118,409.66

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Solution

The fourth proportional to 219,011.66, 302,236.54 and 118,409.66 is: 163,405.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,011.66 : 302,236.54 = 118,409.66 : x
  2. Step 2: Convert to fraction form
    219,011.66/302,236.54 = 118,409.66/x
  3. Step 3: Cross multiply
    219,011.66x = 302,236.54 × 118,409.66
  4. Step 4: Simplify right side
    219,011.66x = 35,787,725,940.98
  5. Step 5: Solve for x
    x = 35,787,725,940.98/219,011.66
  6. Step 6: Final answer
    x = 163,405.57

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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.