Home / 563,492.30-845,376.75-164,136.78

Finding the Fourth Proportional to 563,492.30, 845,376.75 and 164,136.78

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Solution

The fourth proportional to 563,492.30, 845,376.75 and 164,136.78 is: 246,245.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,492.30 : 845,376.75 = 164,136.78 : x
  2. Step 2: Convert to fraction form
    563,492.30/845,376.75 = 164,136.78/x
  3. Step 3: Cross multiply
    563,492.30x = 845,376.75 × 164,136.78
  4. Step 4: Simplify right side
    563,492.30x = 138,757,417,631.87
  5. Step 5: Solve for x
    x = 138,757,417,631.87/563,492.30
  6. Step 6: Final answer
    x = 246,245.46

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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.