Home / 259,117.50-357,671.64-151,722.06

Finding the Fourth Proportional to 259,117.50, 357,671.64 and 151,722.06

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Solution

The fourth proportional to 259,117.50, 357,671.64 and 151,722.06 is: 209,428.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,117.50 : 357,671.64 = 151,722.06 : x
  2. Step 2: Convert to fraction form
    259,117.50/357,671.64 = 151,722.06/x
  3. Step 3: Cross multiply
    259,117.50x = 357,671.64 × 151,722.06
  4. Step 4: Simplify right side
    259,117.50x = 54,266,678,024.38
  5. Step 5: Solve for x
    x = 54,266,678,024.38/259,117.50
  6. Step 6: Final answer
    x = 209,428.84

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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.