Home / 157,281.14-235,724.73-123,869.25

Finding the Fourth Proportional to 157,281.14, 235,724.73 and 123,869.25

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Solution

The fourth proportional to 157,281.14, 235,724.73 and 123,869.25 is: 185,648.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,281.14 : 235,724.73 = 123,869.25 : x
  2. Step 2: Convert to fraction form
    157,281.14/235,724.73 = 123,869.25/x
  3. Step 3: Cross multiply
    157,281.14x = 235,724.73 × 123,869.25
  4. Step 4: Simplify right side
    157,281.14x = 29,199,045,743.81
  5. Step 5: Solve for x
    x = 29,199,045,743.81/157,281.14
  6. Step 6: Final answer
    x = 185,648.74

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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.