Home / 358,289.19-537,526.13-257,204.43

Finding the Fourth Proportional to 358,289.19, 537,526.13 and 257,204.43

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Solution

The fourth proportional to 358,289.19, 537,526.13 and 257,204.43 is: 385,872.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,289.19 : 537,526.13 = 257,204.43 : x
  2. Step 2: Convert to fraction form
    358,289.19/537,526.13 = 257,204.43/x
  3. Step 3: Cross multiply
    358,289.19x = 537,526.13 × 257,204.43
  4. Step 4: Simplify right side
    358,289.19x = 138,254,100,590.73
  5. Step 5: Solve for x
    x = 138,254,100,590.73/358,289.19
  6. Step 6: Final answer
    x = 385,872.93

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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.