Home / 282,890.51-390,573.20-175,618.16

Finding the Fourth Proportional to 282,890.51, 390,573.20 and 175,618.16

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Solution

The fourth proportional to 282,890.51, 390,573.20 and 175,618.16 is: 242,467.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,890.51 : 390,573.20 = 175,618.16 : x
  2. Step 2: Convert to fraction form
    282,890.51/390,573.20 = 175,618.16/x
  3. Step 3: Cross multiply
    282,890.51x = 390,573.20 × 175,618.16
  4. Step 4: Simplify right side
    282,890.51x = 68,591,746,729.31
  5. Step 5: Solve for x
    x = 68,591,746,729.31/282,890.51
  6. Step 6: Final answer
    x = 242,467.47

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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.