Home / 448,551.02-672,956.40-133,015.52

Finding the Fourth Proportional to 448,551.02, 672,956.40 and 133,015.52

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Solution

The fourth proportional to 448,551.02, 672,956.40 and 133,015.52 is: 199,561.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,551.02 : 672,956.40 = 133,015.52 : x
  2. Step 2: Convert to fraction form
    448,551.02/672,956.40 = 133,015.52/x
  3. Step 3: Cross multiply
    448,551.02x = 672,956.40 × 133,015.52
  4. Step 4: Simplify right side
    448,551.02x = 89,513,645,483.33
  5. Step 5: Solve for x
    x = 89,513,645,483.33/448,551.02
  6. Step 6: Final answer
    x = 199,561.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.