Home / 296,724.48-445,088.64-75,108.48

Finding the Fourth Proportional to 296,724.48, 445,088.64 and 75,108.48

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Solution

The fourth proportional to 296,724.48, 445,088.64 and 75,108.48 is: 112,663.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,724.48 : 445,088.64 = 75,108.48 : x
  2. Step 2: Convert to fraction form
    296,724.48/445,088.64 = 75,108.48/x
  3. Step 3: Cross multiply
    296,724.48x = 445,088.64 × 75,108.48
  4. Step 4: Simplify right side
    296,724.48x = 33,429,931,215.67
  5. Step 5: Solve for x
    x = 33,429,931,215.67/296,724.48
  6. Step 6: Final answer
    x = 112,663.21

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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.