Home / 558,063.84-837,095.78-137,339.72

Finding the Fourth Proportional to 558,063.84, 837,095.78 and 137,339.72

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Solution

The fourth proportional to 558,063.84, 837,095.78 and 137,339.72 is: 206,009.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,063.84 : 837,095.78 = 137,339.72 : x
  2. Step 2: Convert to fraction form
    558,063.84/837,095.78 = 137,339.72/x
  3. Step 3: Cross multiply
    558,063.84x = 837,095.78 × 137,339.72
  4. Step 4: Simplify right side
    558,063.84x = 114,966,499,335.36
  5. Step 5: Solve for x
    x = 114,966,499,335.36/558,063.84
  6. Step 6: Final answer
    x = 206,009.58

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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.