Home / 112,531.04-154,643.45-107,327.19

Finding the Fourth Proportional to 112,531.04, 154,643.45 and 107,327.19

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Solution

The fourth proportional to 112,531.04, 154,643.45 and 107,327.19 is: 147,492.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,531.04 : 154,643.45 = 107,327.19 : x
  2. Step 2: Convert to fraction form
    112,531.04/154,643.45 = 107,327.19/x
  3. Step 3: Cross multiply
    112,531.04x = 154,643.45 × 107,327.19
  4. Step 4: Simplify right side
    112,531.04x = 16,597,446,940.41
  5. Step 5: Solve for x
    x = 16,597,446,940.41/112,531.04
  6. Step 6: Final answer
    x = 147,492.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.