Home / 157,200.17-216,940.75-85,581.38

Finding the Fourth Proportional to 157,200.17, 216,940.75 and 85,581.38

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Solution

The fourth proportional to 157,200.17, 216,940.75 and 85,581.38 is: 118,104.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,200.17 : 216,940.75 = 85,581.38 : x
  2. Step 2: Convert to fraction form
    157,200.17/216,940.75 = 85,581.38/x
  3. Step 3: Cross multiply
    157,200.17x = 216,940.75 × 85,581.38
  4. Step 4: Simplify right side
    157,200.17x = 18,566,089,091.63
  5. Step 5: Solve for x
    x = 18,566,089,091.63/157,200.17
  6. Step 6: Final answer
    x = 118,104.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.