Home / 119,388.12-164,599.45-86,653.13

Finding the Fourth Proportional to 119,388.12, 164,599.45 and 86,653.13

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Solution

The fourth proportional to 119,388.12, 164,599.45 and 86,653.13 is: 119,467.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,388.12 : 164,599.45 = 86,653.13 : x
  2. Step 2: Convert to fraction form
    119,388.12/164,599.45 = 86,653.13/x
  3. Step 3: Cross multiply
    119,388.12x = 164,599.45 × 86,653.13
  4. Step 4: Simplify right side
    119,388.12x = 14,263,057,538.78
  5. Step 5: Solve for x
    x = 14,263,057,538.78/119,388.12
  6. Step 6: Final answer
    x = 119,467.98

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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.