Home / 113,283.79-156,329.06-61,599.76

Finding the Fourth Proportional to 113,283.79, 156,329.06 and 61,599.76

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Solution

The fourth proportional to 113,283.79, 156,329.06 and 61,599.76 is: 85,006.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,283.79 : 156,329.06 = 61,599.76 : x
  2. Step 2: Convert to fraction form
    113,283.79/156,329.06 = 61,599.76/x
  3. Step 3: Cross multiply
    113,283.79x = 156,329.06 × 61,599.76
  4. Step 4: Simplify right side
    113,283.79x = 9,629,832,577.03
  5. Step 5: Solve for x
    x = 9,629,832,577.03/113,283.79
  6. Step 6: Final answer
    x = 85,006.27

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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.