Home / 118,622.28-163,693.87-70,901.94

Finding the Fourth Proportional to 118,622.28, 163,693.87 and 70,901.94

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Solution

The fourth proportional to 118,622.28, 163,693.87 and 70,901.94 is: 97,841.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,622.28 : 163,693.87 = 70,901.94 : x
  2. Step 2: Convert to fraction form
    118,622.28/163,693.87 = 70,901.94/x
  3. Step 3: Cross multiply
    118,622.28x = 163,693.87 × 70,901.94
  4. Step 4: Simplify right side
    118,622.28x = 11,606,212,771.85
  5. Step 5: Solve for x
    x = 11,606,212,771.85/118,622.28
  6. Step 6: Final answer
    x = 97,841.76

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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.