Home / 155,859.32-233,424.48-76,719.08

Finding the Fourth Proportional to 155,859.32, 233,424.48 and 76,719.08

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Solution

The fourth proportional to 155,859.32, 233,424.48 and 76,719.08 is: 114,899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,859.32 : 233,424.48 = 76,719.08 : x
  2. Step 2: Convert to fraction form
    155,859.32/233,424.48 = 76,719.08/x
  3. Step 3: Cross multiply
    155,859.32x = 233,424.48 × 76,719.08
  4. Step 4: Simplify right side
    155,859.32x = 17,908,111,355.08
  5. Step 5: Solve for x
    x = 17,908,111,355.08/155,859.32
  6. Step 6: Final answer
    x = 114,899.20

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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.