Home / 118,009.04-162,778.08-70,226.72

Finding the Fourth Proportional to 118,009.04, 162,778.08 and 70,226.72

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Solution

The fourth proportional to 118,009.04, 162,778.08 and 70,226.72 is: 96,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,009.04 : 162,778.08 = 70,226.72 : x
  2. Step 2: Convert to fraction form
    118,009.04/162,778.08 = 70,226.72/x
  3. Step 3: Cross multiply
    118,009.04x = 162,778.08 × 70,226.72
  4. Step 4: Simplify right side
    118,009.04x = 11,431,370,646.30
  5. Step 5: Solve for x
    x = 11,431,370,646.30/118,009.04
  6. Step 6: Final answer
    x = 96,868.60

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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.