Home / 157,594.12-217,498.30-89,621.22

Finding the Fourth Proportional to 157,594.12, 217,498.30 and 89,621.22

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Solution

The fourth proportional to 157,594.12, 217,498.30 and 89,621.22 is: 123,687.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,594.12 : 217,498.30 = 89,621.22 : x
  2. Step 2: Convert to fraction form
    157,594.12/217,498.30 = 89,621.22/x
  3. Step 3: Cross multiply
    157,594.12x = 217,498.30 × 89,621.22
  4. Step 4: Simplify right side
    157,594.12x = 19,492,462,993.93
  5. Step 5: Solve for x
    x = 19,492,462,993.93/157,594.12
  6. Step 6: Final answer
    x = 123,687.76

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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.