Home / 219,228.63-302,298.42-190,300.40

Finding the Fourth Proportional to 219,228.63, 302,298.42 and 190,300.40

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Solution

The fourth proportional to 219,228.63, 302,298.42 and 190,300.40 is: 262,408.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,228.63 : 302,298.42 = 190,300.40 : x
  2. Step 2: Convert to fraction form
    219,228.63/302,298.42 = 190,300.40/x
  3. Step 3: Cross multiply
    219,228.63x = 302,298.42 × 190,300.40
  4. Step 4: Simplify right side
    219,228.63x = 57,527,508,733.88
  5. Step 5: Solve for x
    x = 57,527,508,733.88/219,228.63
  6. Step 6: Final answer
    x = 262,408.74

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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.