Home / 385,776.20-578,664.30-101,466.20

Finding the Fourth Proportional to 385,776.20, 578,664.30 and 101,466.20

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Solution

The fourth proportional to 385,776.20, 578,664.30 and 101,466.20 is: 152,199.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,776.20 : 578,664.30 = 101,466.20 : x
  2. Step 2: Convert to fraction form
    385,776.20/578,664.30 = 101,466.20/x
  3. Step 3: Cross multiply
    385,776.20x = 578,664.30 × 101,466.20
  4. Step 4: Simplify right side
    385,776.20x = 58,714,867,596.66
  5. Step 5: Solve for x
    x = 58,714,867,596.66/385,776.20
  6. Step 6: Final answer
    x = 152,199.30

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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.