Home / 107,103.93-147,807.36-64,654.26

Finding the Fourth Proportional to 107,103.93, 147,807.36 and 64,654.26

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Solution

The fourth proportional to 107,103.93, 147,807.36 and 64,654.26 is: 89,225.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,103.93 : 147,807.36 = 64,654.26 : x
  2. Step 2: Convert to fraction form
    107,103.93/147,807.36 = 64,654.26/x
  3. Step 3: Cross multiply
    107,103.93x = 147,807.36 × 64,654.26
  4. Step 4: Simplify right side
    107,103.93x = 9,556,375,483.35
  5. Step 5: Solve for x
    x = 9,556,375,483.35/107,103.93
  6. Step 6: Final answer
    x = 89,225.26

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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.