Home / 358,049.30-537,090.78-118,184.15

Finding the Fourth Proportional to 358,049.30, 537,090.78 and 118,184.15

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Solution

The fourth proportional to 358,049.30, 537,090.78 and 118,184.15 is: 177,281.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,049.30 : 537,090.78 = 118,184.15 : x
  2. Step 2: Convert to fraction form
    358,049.30/537,090.78 = 118,184.15/x
  3. Step 3: Cross multiply
    358,049.30x = 537,090.78 × 118,184.15
  4. Step 4: Simplify right side
    358,049.30x = 63,475,617,307.14
  5. Step 5: Solve for x
    x = 63,475,617,307.14/358,049.30
  6. Step 6: Final answer
    x = 177,281.78

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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.