Home / 112,916.03-155,799.25-65,159.24

Finding the Fourth Proportional to 112,916.03, 155,799.25 and 65,159.24

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Solution

The fourth proportional to 112,916.03, 155,799.25 and 65,159.24 is: 89,905.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,916.03 : 155,799.25 = 65,159.24 : x
  2. Step 2: Convert to fraction form
    112,916.03/155,799.25 = 65,159.24/x
  3. Step 3: Cross multiply
    112,916.03x = 155,799.25 × 65,159.24
  4. Step 4: Simplify right side
    112,916.03x = 10,151,759,780.68
  5. Step 5: Solve for x
    x = 10,151,759,780.68/112,916.03
  6. Step 6: Final answer
    x = 89,905.39

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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.