Home / 117,898.74-162,675.03-70,142.76

Finding the Fourth Proportional to 117,898.74, 162,675.03 and 70,142.76

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Solution

The fourth proportional to 117,898.74, 162,675.03 and 70,142.76 is: 96,782.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,898.74 : 162,675.03 = 70,142.76 : x
  2. Step 2: Convert to fraction form
    117,898.74/162,675.03 = 70,142.76/x
  3. Step 3: Cross multiply
    117,898.74x = 162,675.03 × 70,142.76
  4. Step 4: Simplify right side
    117,898.74x = 11,410,475,850.32
  5. Step 5: Solve for x
    x = 11,410,475,850.32/117,898.74
  6. Step 6: Final answer
    x = 96,782.00

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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.