Home / 112,151.68-154,768.86-61,164.28

Finding the Fourth Proportional to 112,151.68, 154,768.86 and 61,164.28

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Solution

The fourth proportional to 112,151.68, 154,768.86 and 61,164.28 is: 84,406.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,151.68 : 154,768.86 = 61,164.28 : x
  2. Step 2: Convert to fraction form
    112,151.68/154,768.86 = 61,164.28/x
  3. Step 3: Cross multiply
    112,151.68x = 154,768.86 × 61,164.28
  4. Step 4: Simplify right side
    112,151.68x = 9,466,325,888.32
  5. Step 5: Solve for x
    x = 9,466,325,888.32/112,151.68
  6. Step 6: Final answer
    x = 84,406.46

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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.