Home / 141,828.65-212,779.88-53,089.01

Finding the Fourth Proportional to 141,828.65, 212,779.88 and 53,089.01

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Solution

The fourth proportional to 141,828.65, 212,779.88 and 53,089.01 is: 79,647.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,828.65 : 212,779.88 = 53,089.01 : x
  2. Step 2: Convert to fraction form
    141,828.65/212,779.88 = 53,089.01/x
  3. Step 3: Cross multiply
    141,828.65x = 212,779.88 × 53,089.01
  4. Step 4: Simplify right side
    141,828.65x = 11,296,271,847.77
  5. Step 5: Solve for x
    x = 11,296,271,847.77/141,828.65
  6. Step 6: Final answer
    x = 79,647.32

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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.