Home / 260,043.72-390,037.64-176,341.16

Finding the Fourth Proportional to 260,043.72, 390,037.64 and 176,341.16

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Solution

The fourth proportional to 260,043.72, 390,037.64 and 176,341.16 is: 264,492.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,043.72 : 390,037.64 = 176,341.16 : x
  2. Step 2: Convert to fraction form
    260,043.72/390,037.64 = 176,341.16/x
  3. Step 3: Cross multiply
    260,043.72x = 390,037.64 × 176,341.16
  4. Step 4: Simplify right side
    260,043.72x = 68,779,687,049.37
  5. Step 5: Solve for x
    x = 68,779,687,049.37/260,043.72
  6. Step 6: Final answer
    x = 264,492.78

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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.