Home / 130,192.25-179,663.69-76,482.17

Finding the Fourth Proportional to 130,192.25, 179,663.69 and 76,482.17

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Solution

The fourth proportional to 130,192.25, 179,663.69 and 76,482.17 is: 105,544.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,192.25 : 179,663.69 = 76,482.17 : x
  2. Step 2: Convert to fraction form
    130,192.25/179,663.69 = 76,482.17/x
  3. Step 3: Cross multiply
    130,192.25x = 179,663.69 × 76,482.17
  4. Step 4: Simplify right side
    130,192.25x = 13,741,068,174.29
  5. Step 5: Solve for x
    x = 13,741,068,174.29/130,192.25
  6. Step 6: Final answer
    x = 105,544.44

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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.