Home / 113,860.44-157,090.86-63,549.72

Finding the Fourth Proportional to 113,860.44, 157,090.86 and 63,549.72

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Solution

The fourth proportional to 113,860.44, 157,090.86 and 63,549.72 is: 87,678.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,860.44 : 157,090.86 = 63,549.72 : x
  2. Step 2: Convert to fraction form
    113,860.44/157,090.86 = 63,549.72/x
  3. Step 3: Cross multiply
    113,860.44x = 157,090.86 × 63,549.72
  4. Step 4: Simplify right side
    113,860.44x = 9,983,080,167.56
  5. Step 5: Solve for x
    x = 9,983,080,167.56/113,860.44
  6. Step 6: Final answer
    x = 87,678.22

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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.