Home / 371,147.90-556,225.52-193,281.50

Finding the Fourth Proportional to 371,147.90, 556,225.52 and 193,281.50

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Solution

The fourth proportional to 371,147.90, 556,225.52 and 193,281.50 is: 289,663.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,147.90 : 556,225.52 = 193,281.50 : x
  2. Step 2: Convert to fraction form
    371,147.90/556,225.52 = 193,281.50/x
  3. Step 3: Cross multiply
    371,147.90x = 556,225.52 × 193,281.50
  4. Step 4: Simplify right side
    371,147.90x = 107,508,100,545.96
  5. Step 5: Solve for x
    x = 107,508,100,545.96/371,147.90
  6. Step 6: Final answer
    x = 289,663.78

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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.