Home / 141,938.87-212,899.93-53,184.94

Finding the Fourth Proportional to 141,938.87, 212,899.93 and 53,184.94

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Solution

The fourth proportional to 141,938.87, 212,899.93 and 53,184.94 is: 79,774.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,938.87 : 212,899.93 = 53,184.94 : x
  2. Step 2: Convert to fraction form
    141,938.87/212,899.93 = 53,184.94/x
  3. Step 3: Cross multiply
    141,938.87x = 212,899.93 × 53,184.94
  4. Step 4: Simplify right side
    141,938.87x = 11,323,069,337.84
  5. Step 5: Solve for x
    x = 11,323,069,337.84/141,938.87
  6. Step 6: Final answer
    x = 79,774.27

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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.