Home / 117,852.89-162,633.87-64,136.76

Finding the Fourth Proportional to 117,852.89, 162,633.87 and 64,136.76

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Solution

The fourth proportional to 117,852.89, 162,633.87 and 64,136.76 is: 88,507.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,852.89 : 162,633.87 = 64,136.76 : x
  2. Step 2: Convert to fraction form
    117,852.89/162,633.87 = 64,136.76/x
  3. Step 3: Cross multiply
    117,852.89x = 162,633.87 × 64,136.76
  4. Step 4: Simplify right side
    117,852.89x = 10,430,808,878.18
  5. Step 5: Solve for x
    x = 10,430,808,878.18/117,852.89
  6. Step 6: Final answer
    x = 88,507.03

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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.