Home / 208,985.86-288,488.79-141,094.81

Finding the Fourth Proportional to 208,985.86, 288,488.79 and 141,094.81

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Solution

The fourth proportional to 208,985.86, 288,488.79 and 141,094.81 is: 194,770.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,985.86 : 288,488.79 = 141,094.81 : x
  2. Step 2: Convert to fraction form
    208,985.86/288,488.79 = 141,094.81/x
  3. Step 3: Cross multiply
    208,985.86x = 288,488.79 × 141,094.81
  4. Step 4: Simplify right side
    208,985.86x = 40,704,268,864.26
  5. Step 5: Solve for x
    x = 40,704,268,864.26/208,985.86
  6. Step 6: Final answer
    x = 194,770.45

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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.