Home / 112,347.32-154,891.46-86,534.84

Finding the Fourth Proportional to 112,347.32, 154,891.46 and 86,534.84

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Solution

The fourth proportional to 112,347.32, 154,891.46 and 86,534.84 is: 119,304.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,347.32 : 154,891.46 = 86,534.84 : x
  2. Step 2: Convert to fraction form
    112,347.32/154,891.46 = 86,534.84/x
  3. Step 3: Cross multiply
    112,347.32x = 154,891.46 × 86,534.84
  4. Step 4: Simplify right side
    112,347.32x = 13,403,507,708.47
  5. Step 5: Solve for x
    x = 13,403,507,708.47/112,347.32
  6. Step 6: Final answer
    x = 119,304.21

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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.