Home / 219,410.23-302,786.10-118,808.23

Finding the Fourth Proportional to 219,410.23, 302,786.10 and 118,808.23

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Solution

The fourth proportional to 219,410.23, 302,786.10 and 118,808.23 is: 163,955.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,410.23 : 302,786.10 = 118,808.23 : x
  2. Step 2: Convert to fraction form
    219,410.23/302,786.10 = 118,808.23/x
  3. Step 3: Cross multiply
    219,410.23x = 302,786.10 × 118,808.23
  4. Step 4: Simplify right side
    219,410.23x = 35,973,480,609.60
  5. Step 5: Solve for x
    x = 35,973,480,609.60/219,410.23
  6. Step 6: Final answer
    x = 163,955.35

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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.