Home / 157,060.50-235,666.35-78,181.62

Finding the Fourth Proportional to 157,060.50, 235,666.35 and 78,181.62

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Solution

The fourth proportional to 157,060.50, 235,666.35 and 78,181.62 is: 117,310.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,060.50 : 235,666.35 = 78,181.62 : x
  2. Step 2: Convert to fraction form
    157,060.50/235,666.35 = 78,181.62/x
  3. Step 3: Cross multiply
    157,060.50x = 235,666.35 × 78,181.62
  4. Step 4: Simplify right side
    157,060.50x = 18,424,777,022.49
  5. Step 5: Solve for x
    x = 18,424,777,022.49/157,060.50
  6. Step 6: Final answer
    x = 117,310.06

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1.5x scale

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.