Home / 141,817.90-212,666.70-53,009.30

Finding the Fourth Proportional to 141,817.90, 212,666.70 and 53,009.30

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Solution

The fourth proportional to 141,817.90, 212,666.70 and 53,009.30 is: 79,491.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,817.90 : 212,666.70 = 53,009.30 : x
  2. Step 2: Convert to fraction form
    141,817.90/212,666.70 = 53,009.30/x
  3. Step 3: Cross multiply
    141,817.90x = 212,666.70 × 53,009.30
  4. Step 4: Simplify right side
    141,817.90x = 11,273,312,900.31
  5. Step 5: Solve for x
    x = 11,273,312,900.31/141,817.90
  6. Step 6: Final answer
    x = 79,491.47

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1.5x scale

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.