Home / 157,070.07-216,759.29-85,450.14

Finding the Fourth Proportional to 157,070.07, 216,759.29 and 85,450.14

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Solution

The fourth proportional to 157,070.07, 216,759.29 and 85,450.14 is: 117,922.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,070.07 : 216,759.29 = 85,450.14 : x
  2. Step 2: Convert to fraction form
    157,070.07/216,759.29 = 85,450.14/x
  3. Step 3: Cross multiply
    157,070.07x = 216,759.29 × 85,450.14
  4. Step 4: Simplify right side
    157,070.07x = 18,522,111,249.55
  5. Step 5: Solve for x
    x = 18,522,111,249.55/157,070.07
  6. Step 6: Final answer
    x = 117,922.60

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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.