Home / 107,153.28-147,843.63-64,114.34

Finding the Fourth Proportional to 107,153.28, 147,843.63 and 64,114.34

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Solution

The fourth proportional to 107,153.28, 147,843.63 and 64,114.34 is: 88,461.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,153.28 : 147,843.63 = 64,114.34 : x
  2. Step 2: Convert to fraction form
    107,153.28/147,843.63 = 64,114.34/x
  3. Step 3: Cross multiply
    107,153.28x = 147,843.63 × 64,114.34
  4. Step 4: Simplify right side
    107,153.28x = 9,478,896,021.44
  5. Step 5: Solve for x
    x = 9,478,896,021.44/107,153.28
  6. Step 6: Final answer
    x = 88,461.09

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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.