Home / 266,389.16-367,615.80-151,672.50

Finding the Fourth Proportional to 266,389.16, 367,615.80 and 151,672.50

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Solution

The fourth proportional to 266,389.16, 367,615.80 and 151,672.50 is: 209,307.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,389.16 : 367,615.80 = 151,672.50 : x
  2. Step 2: Convert to fraction form
    266,389.16/367,615.80 = 151,672.50/x
  3. Step 3: Cross multiply
    266,389.16x = 367,615.80 × 151,672.50
  4. Step 4: Simplify right side
    266,389.16x = 55,757,207,425.50
  5. Step 5: Solve for x
    x = 55,757,207,425.50/266,389.16
  6. Step 6: Final answer
    x = 209,307.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.