Home / 113,909.94-157,077.99-97,830.50

Finding the Fourth Proportional to 113,909.94, 157,077.99 and 97,830.50

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Solution

The fourth proportional to 113,909.94, 157,077.99 and 97,830.50 is: 134,904.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,909.94 : 157,077.99 = 97,830.50 : x
  2. Step 2: Convert to fraction form
    113,909.94/157,077.99 = 97,830.50/x
  3. Step 3: Cross multiply
    113,909.94x = 157,077.99 × 97,830.50
  4. Step 4: Simplify right side
    113,909.94x = 15,367,017,464.92
  5. Step 5: Solve for x
    x = 15,367,017,464.92/113,909.94
  6. Step 6: Final answer
    x = 134,904.97

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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.