Home / 112,513.61-155,266.44-61,525.76

Finding the Fourth Proportional to 112,513.61, 155,266.44 and 61,525.76

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Solution

The fourth proportional to 112,513.61, 155,266.44 and 61,525.76 is: 84,904.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,513.61 : 155,266.44 = 61,525.76 : x
  2. Step 2: Convert to fraction form
    112,513.61/155,266.44 = 61,525.76/x
  3. Step 3: Cross multiply
    112,513.61x = 155,266.44 × 61,525.76
  4. Step 4: Simplify right side
    112,513.61x = 9,552,885,589.81
  5. Step 5: Solve for x
    x = 9,552,885,589.81/112,513.61
  6. Step 6: Final answer
    x = 84,904.27

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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.