Home / 219,195.92-302,438.09-151,191.16

Finding the Fourth Proportional to 219,195.92, 302,438.09 and 151,191.16

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Solution

The fourth proportional to 219,195.92, 302,438.09 and 151,191.16 is: 208,607.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,195.92 : 302,438.09 = 151,191.16 : x
  2. Step 2: Convert to fraction form
    219,195.92/302,438.09 = 151,191.16/x
  3. Step 3: Cross multiply
    219,195.92x = 302,438.09 × 151,191.16
  4. Step 4: Simplify right side
    219,195.92x = 45,725,965,277.17
  5. Step 5: Solve for x
    x = 45,725,965,277.17/219,195.92
  6. Step 6: Final answer
    x = 208,607.74

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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.