Home / 112,699.62-155,525.54-70,258.32

Finding the Fourth Proportional to 112,699.62, 155,525.54 and 70,258.32

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Solution

The fourth proportional to 112,699.62, 155,525.54 and 70,258.32 is: 96,956.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,699.62 : 155,525.54 = 70,258.32 : x
  2. Step 2: Convert to fraction form
    112,699.62/155,525.54 = 70,258.32/x
  3. Step 3: Cross multiply
    112,699.62x = 155,525.54 × 70,258.32
  4. Step 4: Simplify right side
    112,699.62x = 10,926,962,806.20
  5. Step 5: Solve for x
    x = 10,926,962,806.20/112,699.62
  6. Step 6: Final answer
    x = 96,956.52

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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.