Home / 114,122.45-157,493.63-63,134.30

Finding the Fourth Proportional to 114,122.45, 157,493.63 and 63,134.30

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Solution

The fourth proportional to 114,122.45, 157,493.63 and 63,134.30 is: 87,127.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,122.45 : 157,493.63 = 63,134.30 : x
  2. Step 2: Convert to fraction form
    114,122.45/157,493.63 = 63,134.30/x
  3. Step 3: Cross multiply
    114,122.45x = 157,493.63 × 63,134.30
  4. Step 4: Simplify right side
    114,122.45x = 9,943,250,636.08
  5. Step 5: Solve for x
    x = 9,943,250,636.08/114,122.45
  6. Step 6: Final answer
    x = 87,127.91

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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.