Home / 101,556.08-140,147.16-56,236.40

Finding the Fourth Proportional to 101,556.08, 140,147.16 and 56,236.40

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Solution

The fourth proportional to 101,556.08, 140,147.16 and 56,236.40 is: 77,606.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,556.08 : 140,147.16 = 56,236.40 : x
  2. Step 2: Convert to fraction form
    101,556.08/140,147.16 = 56,236.40/x
  3. Step 3: Cross multiply
    101,556.08x = 140,147.16 × 56,236.40
  4. Step 4: Simplify right side
    101,556.08x = 7,881,371,748.62
  5. Step 5: Solve for x
    x = 7,881,371,748.62/101,556.08
  6. Step 6: Final answer
    x = 77,606.10

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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.