Home / 536,821.21-805,210.75-181,835.20

Finding the Fourth Proportional to 536,821.21, 805,210.75 and 181,835.20

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Solution

The fourth proportional to 536,821.21, 805,210.75 and 181,835.20 is: 272,745.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,821.21 : 805,210.75 = 181,835.20 : x
  2. Step 2: Convert to fraction form
    536,821.21/805,210.75 = 181,835.20/x
  3. Step 3: Cross multiply
    536,821.21x = 805,210.75 × 181,835.20
  4. Step 4: Simplify right side
    536,821.21x = 146,415,657,768.40
  5. Step 5: Solve for x
    x = 146,415,657,768.40/536,821.21
  6. Step 6: Final answer
    x = 272,745.66

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1.5x scale

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.