Home / 191,938.04-287,907.06-58,817.78

Finding the Fourth Proportional to 191,938.04, 287,907.06 and 58,817.78

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Solution

The fourth proportional to 191,938.04, 287,907.06 and 58,817.78 is: 88,226.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,938.04 : 287,907.06 = 58,817.78 : x
  2. Step 2: Convert to fraction form
    191,938.04/287,907.06 = 58,817.78/x
  3. Step 3: Cross multiply
    191,938.04x = 287,907.06 × 58,817.78
  4. Step 4: Simplify right side
    191,938.04x = 16,934,054,115.53
  5. Step 5: Solve for x
    x = 16,934,054,115.53/191,938.04
  6. Step 6: Final answer
    x = 88,226.67

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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.