Home / 259,139.58-357,638.67-157,161.66

Finding the Fourth Proportional to 259,139.58, 357,638.67 and 157,161.66

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Solution

The fourth proportional to 259,139.58, 357,638.67 and 157,161.66 is: 216,898.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,139.58 : 357,638.67 = 157,161.66 : x
  2. Step 2: Convert to fraction form
    259,139.58/357,638.67 = 157,161.66/x
  3. Step 3: Cross multiply
    259,139.58x = 357,638.67 × 157,161.66
  4. Step 4: Simplify right side
    259,139.58x = 56,207,087,057.39
  5. Step 5: Solve for x
    x = 56,207,087,057.39/259,139.58
  6. Step 6: Final answer
    x = 216,898.89

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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.