Home / 130,482.16-196,051.29-83,118.56

Finding the Fourth Proportional to 130,482.16, 196,051.29 and 83,118.56

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Solution

The fourth proportional to 130,482.16, 196,051.29 and 83,118.56 is: 124,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,482.16 : 196,051.29 = 83,118.56 : x
  2. Step 2: Convert to fraction form
    130,482.16/196,051.29 = 83,118.56/x
  3. Step 3: Cross multiply
    130,482.16x = 196,051.29 × 83,118.56
  4. Step 4: Simplify right side
    130,482.16x = 16,295,499,618.99
  5. Step 5: Solve for x
    x = 16,295,499,618.99/130,482.16
  6. Step 6: Final answer
    x = 124,886.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.