Home / 112,056.36-154,628.16-64,308.66

Finding the Fourth Proportional to 112,056.36, 154,628.16 and 64,308.66

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Solution

The fourth proportional to 112,056.36, 154,628.16 and 64,308.66 is: 88,740.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,056.36 : 154,628.16 = 64,308.66 : x
  2. Step 2: Convert to fraction form
    112,056.36/154,628.16 = 64,308.66/x
  3. Step 3: Cross multiply
    112,056.36x = 154,628.16 × 64,308.66
  4. Step 4: Simplify right side
    112,056.36x = 9,943,929,767.87
  5. Step 5: Solve for x
    x = 9,943,929,767.87/112,056.36
  6. Step 6: Final answer
    x = 88,740.43

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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.