Home / 194,036.15-291,054.29-87,295.45

Finding the Fourth Proportional to 194,036.15, 291,054.29 and 87,295.45

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Solution

The fourth proportional to 194,036.15, 291,054.29 and 87,295.45 is: 130,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,036.15 : 291,054.29 = 87,295.45 : x
  2. Step 2: Convert to fraction form
    194,036.15/291,054.29 = 87,295.45/x
  3. Step 3: Cross multiply
    194,036.15x = 291,054.29 × 87,295.45
  4. Step 4: Simplify right side
    194,036.15x = 25,407,713,764.71
  5. Step 5: Solve for x
    x = 25,407,713,764.71/194,036.15
  6. Step 6: Final answer
    x = 130,943.20

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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.