Home / 279,158.02-385,235.18-151,833.58

Finding the Fourth Proportional to 279,158.02, 385,235.18 and 151,833.58

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Solution

The fourth proportional to 279,158.02, 385,235.18 and 151,833.58 is: 209,528.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,158.02 : 385,235.18 = 151,833.58 : x
  2. Step 2: Convert to fraction form
    279,158.02/385,235.18 = 151,833.58/x
  3. Step 3: Cross multiply
    279,158.02x = 385,235.18 × 151,833.58
  4. Step 4: Simplify right side
    279,158.02x = 58,491,636,521.34
  5. Step 5: Solve for x
    x = 58,491,636,521.34/279,158.02
  6. Step 6: Final answer
    x = 209,528.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.