Home / 237,036.51-355,480.65-79,228.06

Finding the Fourth Proportional to 237,036.51, 355,480.65 and 79,228.06

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Solution

The fourth proportional to 237,036.51, 355,480.65 and 79,228.06 is: 118,817.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,036.51 : 355,480.65 = 79,228.06 : x
  2. Step 2: Convert to fraction form
    237,036.51/355,480.65 = 79,228.06/x
  3. Step 3: Cross multiply
    237,036.51x = 355,480.65 × 79,228.06
  4. Step 4: Simplify right side
    237,036.51x = 28,164,041,378.34
  5. Step 5: Solve for x
    x = 28,164,041,378.34/237,036.51
  6. Step 6: Final answer
    x = 118,817.31

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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.