Home / 279,166.06-385,230.20-151,838.92

Finding the Fourth Proportional to 279,166.06, 385,230.20 and 151,838.92

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Solution

The fourth proportional to 279,166.06, 385,230.20 and 151,838.92 is: 209,527.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,166.06 : 385,230.20 = 151,838.92 : x
  2. Step 2: Convert to fraction form
    279,166.06/385,230.20 = 151,838.92/x
  3. Step 3: Cross multiply
    279,166.06x = 385,230.20 × 151,838.92
  4. Step 4: Simplify right side
    279,166.06x = 58,492,937,519.38
  5. Step 5: Solve for x
    x = 58,492,937,519.38/279,166.06
  6. Step 6: Final answer
    x = 209,527.40

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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.