Home / 288,060.30-397,443.51-186,089.81

Finding the Fourth Proportional to 288,060.30, 397,443.51 and 186,089.81

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Solution

The fourth proportional to 288,060.30, 397,443.51 and 186,089.81 is: 256,752.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,060.30 : 397,443.51 = 186,089.81 : x
  2. Step 2: Convert to fraction form
    288,060.30/397,443.51 = 186,089.81/x
  3. Step 3: Cross multiply
    288,060.30x = 397,443.51 × 186,089.81
  4. Step 4: Simplify right side
    288,060.30x = 73,960,185,274.42
  5. Step 5: Solve for x
    x = 73,960,185,274.42/288,060.30
  6. Step 6: Final answer
    x = 256,752.44

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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.