Home / 448,109.87-672,445.01-181,870.35

Finding the Fourth Proportional to 448,109.87, 672,445.01 and 181,870.35

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Solution

The fourth proportional to 448,109.87, 672,445.01 and 181,870.35 is: 272,919.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,109.87 : 672,445.01 = 181,870.35 : x
  2. Step 2: Convert to fraction form
    448,109.87/672,445.01 = 181,870.35/x
  3. Step 3: Cross multiply
    448,109.87x = 672,445.01 × 181,870.35
  4. Step 4: Simplify right side
    448,109.87x = 122,297,808,415.10
  5. Step 5: Solve for x
    x = 122,297,808,415.10/448,109.87
  6. Step 6: Final answer
    x = 272,919.25

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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.