Home / 157,118.67-235,678.49-38,790.02

Finding the Fourth Proportional to 157,118.67, 235,678.49 and 38,790.02

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Solution

The fourth proportional to 157,118.67, 235,678.49 and 38,790.02 is: 58,185.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,118.67 : 235,678.49 = 38,790.02 : x
  2. Step 2: Convert to fraction form
    157,118.67/235,678.49 = 38,790.02/x
  3. Step 3: Cross multiply
    157,118.67x = 235,678.49 × 38,790.02
  4. Step 4: Simplify right side
    157,118.67x = 9,141,973,340.67
  5. Step 5: Solve for x
    x = 9,141,973,340.67/157,118.67
  6. Step 6: Final answer
    x = 58,185.15

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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.