Home / 157,538.60-235,731.90-116,066.60

Finding the Fourth Proportional to 157,538.60, 235,731.90 and 116,066.60

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Solution

The fourth proportional to 157,538.60, 235,731.90 and 116,066.60 is: 173,675.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,538.60 : 235,731.90 = 116,066.60 : x
  2. Step 2: Convert to fraction form
    157,538.60/235,731.90 = 116,066.60/x
  3. Step 3: Cross multiply
    157,538.60x = 235,731.90 × 116,066.60
  4. Step 4: Simplify right side
    157,538.60x = 27,360,600,144.54
  5. Step 5: Solve for x
    x = 27,360,600,144.54/157,538.60
  6. Step 6: Final answer
    x = 173,675.53

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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.