Home / 423,181.27-634,881.26-157,017.70

Finding the Fourth Proportional to 423,181.27, 634,881.26 and 157,017.70

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Solution

The fourth proportional to 423,181.27, 634,881.26 and 157,017.70 is: 235,567.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,181.27 : 634,881.26 = 157,017.70 : x
  2. Step 2: Convert to fraction form
    423,181.27/634,881.26 = 157,017.70/x
  3. Step 3: Cross multiply
    423,181.27x = 634,881.26 × 157,017.70
  4. Step 4: Simplify right side
    423,181.27x = 99,687,595,218.30
  5. Step 5: Solve for x
    x = 99,687,595,218.30/423,181.27
  6. Step 6: Final answer
    x = 235,567.13

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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.