Home / 118,281.48-163,204.04-67,970.76

Finding the Fourth Proportional to 118,281.48, 163,204.04 and 67,970.76

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Solution

The fourth proportional to 118,281.48, 163,204.04 and 67,970.76 is: 93,785.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,281.48 : 163,204.04 = 67,970.76 : x
  2. Step 2: Convert to fraction form
    118,281.48/163,204.04 = 67,970.76/x
  3. Step 3: Cross multiply
    118,281.48x = 163,204.04 × 67,970.76
  4. Step 4: Simplify right side
    118,281.48x = 11,093,102,633.87
  5. Step 5: Solve for x
    x = 11,093,102,633.87/118,281.48
  6. Step 6: Final answer
    x = 93,785.63

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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.