Home / 351,385.18-484,911.75-190,240.27

Finding the Fourth Proportional to 351,385.18, 484,911.75 and 190,240.27

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Solution

The fourth proportional to 351,385.18, 484,911.75 and 190,240.27 is: 262,531.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,385.18 : 484,911.75 = 190,240.27 : x
  2. Step 2: Convert to fraction form
    351,385.18/484,911.75 = 190,240.27/x
  3. Step 3: Cross multiply
    351,385.18x = 484,911.75 × 190,240.27
  4. Step 4: Simplify right side
    351,385.18x = 92,249,742,246.17
  5. Step 5: Solve for x
    x = 92,249,742,246.17/351,385.18
  6. Step 6: Final answer
    x = 262,531.68

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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.