Home / 116,511.90-160,701.21-76,160.94

Finding the Fourth Proportional to 116,511.90, 160,701.21 and 76,160.94

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Solution

The fourth proportional to 116,511.90, 160,701.21 and 76,160.94 is: 105,046.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,511.90 : 160,701.21 = 76,160.94 : x
  2. Step 2: Convert to fraction form
    116,511.90/160,701.21 = 76,160.94/x
  3. Step 3: Cross multiply
    116,511.90x = 160,701.21 × 76,160.94
  4. Step 4: Simplify right side
    116,511.90x = 12,239,155,212.74
  5. Step 5: Solve for x
    x = 12,239,155,212.74/116,511.90
  6. Step 6: Final answer
    x = 105,046.40

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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.