Home / 112,213.35-154,852.16-64,465.47

Finding the Fourth Proportional to 112,213.35, 154,852.16 and 64,465.47

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Solution

The fourth proportional to 112,213.35, 154,852.16 and 64,465.47 is: 88,961.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,213.35 : 154,852.16 = 64,465.47 : x
  2. Step 2: Convert to fraction form
    112,213.35/154,852.16 = 64,465.47/x
  3. Step 3: Cross multiply
    112,213.35x = 154,852.16 × 64,465.47
  4. Step 4: Simplify right side
    112,213.35x = 9,982,616,952.59
  5. Step 5: Solve for x
    x = 9,982,616,952.59/112,213.35
  6. Step 6: Final answer
    x = 88,961.05

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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.