Home / 157,528.86-217,383.27-85,907.58

Finding the Fourth Proportional to 157,528.86, 217,383.27 and 85,907.58

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Solution

The fourth proportional to 157,528.86, 217,383.27 and 85,907.58 is: 118,548.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,528.86 : 217,383.27 = 85,907.58 : x
  2. Step 2: Convert to fraction form
    157,528.86/217,383.27 = 85,907.58/x
  3. Step 3: Cross multiply
    157,528.86x = 217,383.27 × 85,907.58
  4. Step 4: Simplify right side
    157,528.86x = 18,674,870,658.19
  5. Step 5: Solve for x
    x = 18,674,870,658.19/157,528.86
  6. Step 6: Final answer
    x = 118,548.88

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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.