Home / 157,119.48-216,829.44-85,504.13

Finding the Fourth Proportional to 157,119.48, 216,829.44 and 85,504.13

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Solution

The fourth proportional to 157,119.48, 216,829.44 and 85,504.13 is: 117,998.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,119.48 : 216,829.44 = 85,504.13 : x
  2. Step 2: Convert to fraction form
    157,119.48/216,829.44 = 85,504.13/x
  3. Step 3: Cross multiply
    157,119.48x = 216,829.44 × 85,504.13
  4. Step 4: Simplify right side
    157,119.48x = 18,539,811,541.44
  5. Step 5: Solve for x
    x = 18,539,811,541.44/157,119.48
  6. Step 6: Final answer
    x = 117,998.17

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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.