Home / 118,110.16-162,994.44-67,812.40

Finding the Fourth Proportional to 118,110.16, 162,994.44 and 67,812.40

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Solution

The fourth proportional to 118,110.16, 162,994.44 and 67,812.40 is: 93,582.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,110.16 : 162,994.44 = 67,812.40 : x
  2. Step 2: Convert to fraction form
    118,110.16/162,994.44 = 67,812.40/x
  3. Step 3: Cross multiply
    118,110.16x = 162,994.44 × 67,812.40
  4. Step 4: Simplify right side
    118,110.16x = 11,053,044,163.06
  5. Step 5: Solve for x
    x = 11,053,044,163.06/118,110.16
  6. Step 6: Final answer
    x = 93,582.50

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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.