Home / 149,619.51-224,465.85-49,779.45

Finding the Fourth Proportional to 149,619.51, 224,465.85 and 49,779.45

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Solution

The fourth proportional to 149,619.51, 224,465.85 and 49,779.45 is: 74,681.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,619.51 : 224,465.85 = 49,779.45 : x
  2. Step 2: Convert to fraction form
    149,619.51/224,465.85 = 49,779.45/x
  3. Step 3: Cross multiply
    149,619.51x = 224,465.85 × 49,779.45
  4. Step 4: Simplify right side
    149,619.51x = 11,173,786,556.78
  5. Step 5: Solve for x
    x = 11,173,786,556.78/149,619.51
  6. Step 6: Final answer
    x = 74,681.35

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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.