Home / 153,330.01-211,575.38-85,349.85

Finding the Fourth Proportional to 153,330.01, 211,575.38 and 85,349.85

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Solution

The fourth proportional to 153,330.01, 211,575.38 and 85,349.85 is: 117,771.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,330.01 : 211,575.38 = 85,349.85 : x
  2. Step 2: Convert to fraction form
    153,330.01/211,575.38 = 85,349.85/x
  3. Step 3: Cross multiply
    153,330.01x = 211,575.38 × 85,349.85
  4. Step 4: Simplify right side
    153,330.01x = 18,057,926,102.19
  5. Step 5: Solve for x
    x = 18,057,926,102.19/153,330.01
  6. Step 6: Final answer
    x = 117,771.64

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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.