Home / 112,153.72-154,772.28-61,166.56

Finding the Fourth Proportional to 112,153.72, 154,772.28 and 61,166.56

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Solution

The fourth proportional to 112,153.72, 154,772.28 and 61,166.56 is: 84,409.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,153.72 : 154,772.28 = 61,166.56 : x
  2. Step 2: Convert to fraction form
    112,153.72/154,772.28 = 61,166.56/x
  3. Step 3: Cross multiply
    112,153.72x = 154,772.28 × 61,166.56
  4. Step 4: Simplify right side
    112,153.72x = 9,466,887,950.96
  5. Step 5: Solve for x
    x = 9,466,887,950.96/112,153.72
  6. Step 6: Final answer
    x = 84,409.93

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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.