Home / 112,196.13-154,830.65-61,895.13

Finding the Fourth Proportional to 112,196.13, 154,830.65 and 61,895.13

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Solution

The fourth proportional to 112,196.13, 154,830.65 and 61,895.13 is: 85,415.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,196.13 : 154,830.65 = 61,895.13 : x
  2. Step 2: Convert to fraction form
    112,196.13/154,830.65 = 61,895.13/x
  3. Step 3: Cross multiply
    112,196.13x = 154,830.65 × 61,895.13
  4. Step 4: Simplify right side
    112,196.13x = 9,583,263,209.73
  5. Step 5: Solve for x
    x = 9,583,263,209.73/112,196.13
  6. Step 6: Final answer
    x = 85,415.27

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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.