Home / 118,455.14-163,415.54-70,680.74

Finding the Fourth Proportional to 118,455.14, 163,415.54 and 70,680.74

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Solution

The fourth proportional to 118,455.14, 163,415.54 and 70,680.74 is: 97,508.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,455.14 : 163,415.54 = 70,680.74 : x
  2. Step 2: Convert to fraction form
    118,455.14/163,415.54 = 70,680.74/x
  3. Step 3: Cross multiply
    118,455.14x = 163,415.54 × 70,680.74
  4. Step 4: Simplify right side
    118,455.14x = 11,550,330,654.32
  5. Step 5: Solve for x
    x = 11,550,330,654.32/118,455.14
  6. Step 6: Final answer
    x = 97,508.06

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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.