Home / 157,415.12-236,157.76-57,573.12

Finding the Fourth Proportional to 157,415.12, 236,157.76 and 57,573.12

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Solution

The fourth proportional to 157,415.12, 236,157.76 and 57,573.12 is: 86,372.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,415.12 : 236,157.76 = 57,573.12 : x
  2. Step 2: Convert to fraction form
    157,415.12/236,157.76 = 57,573.12/x
  3. Step 3: Cross multiply
    157,415.12x = 236,157.76 × 57,573.12
  4. Step 4: Simplify right side
    157,415.12x = 13,596,339,055.41
  5. Step 5: Solve for x
    x = 13,596,339,055.41/157,415.12
  6. Step 6: Final answer
    x = 86,372.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.