Home / 157,150.19-216,867.26-85,530.72

Finding the Fourth Proportional to 157,150.19, 216,867.26 and 85,530.72

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Solution

The fourth proportional to 157,150.19, 216,867.26 and 85,530.72 is: 118,032.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,150.19 : 216,867.26 = 85,530.72 : x
  2. Step 2: Convert to fraction form
    157,150.19/216,867.26 = 85,530.72/x
  3. Step 3: Cross multiply
    157,150.19x = 216,867.26 × 85,530.72
  4. Step 4: Simplify right side
    157,150.19x = 18,548,811,651.32
  5. Step 5: Solve for x
    x = 18,548,811,651.32/157,150.19
  6. Step 6: Final answer
    x = 118,032.39

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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.