Home / 112,240.32-154,892.55-61,253.46

Finding the Fourth Proportional to 112,240.32, 154,892.55 and 61,253.46

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Solution

The fourth proportional to 112,240.32, 154,892.55 and 61,253.46 is: 84,530.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,240.32 : 154,892.55 = 61,253.46 : x
  2. Step 2: Convert to fraction form
    112,240.32/154,892.55 = 61,253.46/x
  3. Step 3: Cross multiply
    112,240.32x = 154,892.55 × 61,253.46
  4. Step 4: Simplify right side
    112,240.32x = 9,487,704,615.72
  5. Step 5: Solve for x
    x = 9,487,704,615.72/112,240.32
  6. Step 6: Final answer
    x = 84,530.27

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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.