Home / 157,126.07-216,833.57-85,506.07

Finding the Fourth Proportional to 157,126.07, 216,833.57 and 85,506.07

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Solution

The fourth proportional to 157,126.07, 216,833.57 and 85,506.07 is: 117,998.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,126.07 : 216,833.57 = 85,506.07 : x
  2. Step 2: Convert to fraction form
    157,126.07/216,833.57 = 85,506.07/x
  3. Step 3: Cross multiply
    157,126.07x = 216,833.57 × 85,506.07
  4. Step 4: Simplify right side
    157,126.07x = 18,540,585,445.16
  5. Step 5: Solve for x
    x = 18,540,585,445.16/157,126.07
  6. Step 6: Final answer
    x = 117,998.15

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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.