Home / 153,588.36-211,926.24-85,590.42

Finding the Fourth Proportional to 153,588.36, 211,926.24 and 85,590.42

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Solution

The fourth proportional to 153,588.36, 211,926.24 and 85,590.42 is: 118,100.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,588.36 : 211,926.24 = 85,590.42 : x
  2. Step 2: Convert to fraction form
    153,588.36/211,926.24 = 85,590.42/x
  3. Step 3: Cross multiply
    153,588.36x = 211,926.24 × 85,590.42
  4. Step 4: Simplify right side
    153,588.36x = 18,138,855,890.62
  5. Step 5: Solve for x
    x = 18,138,855,890.62/153,588.36
  6. Step 6: Final answer
    x = 118,100.46

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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.