Home / 118,609.04-163,664.31-70,852.25

Finding the Fourth Proportional to 118,609.04, 163,664.31 and 70,852.25

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Solution

The fourth proportional to 118,609.04, 163,664.31 and 70,852.25 is: 97,766.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,609.04 : 163,664.31 = 70,852.25 : x
  2. Step 2: Convert to fraction form
    118,609.04/163,664.31 = 70,852.25/x
  3. Step 3: Cross multiply
    118,609.04x = 163,664.31 × 70,852.25
  4. Step 4: Simplify right side
    118,609.04x = 11,595,985,017.36
  5. Step 5: Solve for x
    x = 11,595,985,017.36/118,609.04
  6. Step 6: Final answer
    x = 97,766.45

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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.