Home / 112,187.25-154,829.34-61,886.25

Finding the Fourth Proportional to 112,187.25, 154,829.34 and 61,886.25

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Solution

The fourth proportional to 112,187.25, 154,829.34 and 61,886.25 is: 85,409.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,187.25 : 154,829.34 = 61,886.25 : x
  2. Step 2: Convert to fraction form
    112,187.25/154,829.34 = 61,886.25/x
  3. Step 3: Cross multiply
    112,187.25x = 154,829.34 × 61,886.25
  4. Step 4: Simplify right side
    112,187.25x = 9,581,807,242.58
  5. Step 5: Solve for x
    x = 9,581,807,242.58/112,187.25
  6. Step 6: Final answer
    x = 85,409.06

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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.