Home / 113,972.86-157,274.31-62,984.98

Finding the Fourth Proportional to 113,972.86, 157,274.31 and 62,984.98

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Solution

The fourth proportional to 113,972.86, 157,274.31 and 62,984.98 is: 86,914.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,972.86 : 157,274.31 = 62,984.98 : x
  2. Step 2: Convert to fraction form
    113,972.86/157,274.31 = 62,984.98/x
  3. Step 3: Cross multiply
    113,972.86x = 157,274.31 × 62,984.98
  4. Step 4: Simplify right side
    113,972.86x = 9,905,919,269.86
  5. Step 5: Solve for x
    x = 9,905,919,269.86/113,972.86
  6. Step 6: Final answer
    x = 86,914.72

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1.5x scale

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.