Home / 157,103.55-235,655.33-122,068.35

Finding the Fourth Proportional to 157,103.55, 235,655.33 and 122,068.35

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Solution

The fourth proportional to 157,103.55, 235,655.33 and 122,068.35 is: 183,102.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,103.55 : 235,655.33 = 122,068.35 : x
  2. Step 2: Convert to fraction form
    157,103.55/235,655.33 = 122,068.35/x
  3. Step 3: Cross multiply
    157,103.55x = 235,655.33 × 122,068.35
  4. Step 4: Simplify right side
    157,103.55x = 28,766,056,691.46
  5. Step 5: Solve for x
    x = 28,766,056,691.46/157,103.55
  6. Step 6: Final answer
    x = 183,102.53

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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.