Home / 118,637.44-163,703.48-70,880.64

Finding the Fourth Proportional to 118,637.44, 163,703.48 and 70,880.64

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Solution

The fourth proportional to 118,637.44, 163,703.48 and 70,880.64 is: 97,805.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,637.44 : 163,703.48 = 70,880.64 : x
  2. Step 2: Convert to fraction form
    118,637.44/163,703.48 = 70,880.64/x
  3. Step 3: Cross multiply
    118,637.44x = 163,703.48 × 70,880.64
  4. Step 4: Simplify right side
    118,637.44x = 11,603,407,432.63
  5. Step 5: Solve for x
    x = 11,603,407,432.63/118,637.44
  6. Step 6: Final answer
    x = 97,805.61

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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.