Home / 145,779.36-218,537.82-52,263.24

Finding the Fourth Proportional to 145,779.36, 218,537.82 and 52,263.24

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Solution

The fourth proportional to 145,779.36, 218,537.82 and 52,263.24 is: 78,347.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,779.36 : 218,537.82 = 52,263.24 : x
  2. Step 2: Convert to fraction form
    145,779.36/218,537.82 = 52,263.24/x
  3. Step 3: Cross multiply
    145,779.36x = 218,537.82 × 52,263.24
  4. Step 4: Simplify right side
    145,779.36x = 11,421,494,535.74
  5. Step 5: Solve for x
    x = 11,421,494,535.74/145,779.36
  6. Step 6: Final answer
    x = 78,347.82

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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.