Home / 101,555.16-140,147.60-56,233.06

Finding the Fourth Proportional to 101,555.16, 140,147.60 and 56,233.06

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Solution

The fourth proportional to 101,555.16, 140,147.60 and 56,233.06 is: 77,602.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,555.16 : 140,147.60 = 56,233.06 : x
  2. Step 2: Convert to fraction form
    101,555.16/140,147.60 = 56,233.06/x
  3. Step 3: Cross multiply
    101,555.16x = 140,147.60 × 56,233.06
  4. Step 4: Simplify right side
    101,555.16x = 7,880,928,399.66
  5. Step 5: Solve for x
    x = 7,880,928,399.66/101,555.16
  6. Step 6: Final answer
    x = 77,602.44

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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.