Home / 118,637.82-163,705.86-70,881.84

Finding the Fourth Proportional to 118,637.82, 163,705.86 and 70,881.84

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Solution

The fourth proportional to 118,637.82, 163,705.86 and 70,881.84 is: 97,808.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,637.82 : 163,705.86 = 70,881.84 : x
  2. Step 2: Convert to fraction form
    118,637.82/163,705.86 = 70,881.84/x
  3. Step 3: Cross multiply
    118,637.82x = 163,705.86 × 70,881.84
  4. Step 4: Simplify right side
    118,637.82x = 11,603,772,575.58
  5. Step 5: Solve for x
    x = 11,603,772,575.58/118,637.82
  6. Step 6: Final answer
    x = 97,808.38

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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.