Home / 112,228.20-154,874.74-61,927.16

Finding the Fourth Proportional to 112,228.20, 154,874.74 and 61,927.16

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Solution

The fourth proportional to 112,228.20, 154,874.74 and 61,927.16 is: 85,459.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,228.20 : 154,874.74 = 61,927.16 : x
  2. Step 2: Convert to fraction form
    112,228.20/154,874.74 = 61,927.16/x
  3. Step 3: Cross multiply
    112,228.20x = 154,874.74 × 61,927.16
  4. Step 4: Simplify right side
    112,228.20x = 9,590,952,803.94
  5. Step 5: Solve for x
    x = 9,590,952,803.94/112,228.20
  6. Step 6: Final answer
    x = 85,459.38

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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.