Home / 358,446.14-537,670.72-145,218.20

Finding the Fourth Proportional to 358,446.14, 537,670.72 and 145,218.20

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Solution

The fourth proportional to 358,446.14, 537,670.72 and 145,218.20 is: 217,827.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,446.14 : 537,670.72 = 145,218.20 : x
  2. Step 2: Convert to fraction form
    358,446.14/537,670.72 = 145,218.20/x
  3. Step 3: Cross multiply
    358,446.14x = 537,670.72 × 145,218.20
  4. Step 4: Simplify right side
    358,446.14x = 78,079,574,151.10
  5. Step 5: Solve for x
    x = 78,079,574,151.10/358,446.14
  6. Step 6: Final answer
    x = 217,827.91

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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.