Home / 215,632.90-297,575.44-118,840.25

Finding the Fourth Proportional to 215,632.90, 297,575.44 and 118,840.25

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Solution

The fourth proportional to 215,632.90, 297,575.44 and 118,840.25 is: 164,000.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,632.90 : 297,575.44 = 118,840.25 : x
  2. Step 2: Convert to fraction form
    215,632.90/297,575.44 = 118,840.25/x
  3. Step 3: Cross multiply
    215,632.90x = 297,575.44 × 118,840.25
  4. Step 4: Simplify right side
    215,632.90x = 35,363,940,150.52
  5. Step 5: Solve for x
    x = 35,363,940,150.52/215,632.90
  6. Step 6: Final answer
    x = 164,000.67

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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.