Home / 125,526.35-188,289.45-36,779.81

Finding the Fourth Proportional to 125,526.35, 188,289.45 and 36,779.81

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Solution

The fourth proportional to 125,526.35, 188,289.45 and 36,779.81 is: 55,169.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,526.35 : 188,289.45 = 36,779.81 : x
  2. Step 2: Convert to fraction form
    125,526.35/188,289.45 = 36,779.81/x
  3. Step 3: Cross multiply
    125,526.35x = 188,289.45 × 36,779.81
  4. Step 4: Simplify right side
    125,526.35x = 6,925,249,254.56
  5. Step 5: Solve for x
    x = 6,925,249,254.56/125,526.35
  6. Step 6: Final answer
    x = 55,169.68

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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.