Home / 177,320.61-265,886.91-77,364.03

Finding the Fourth Proportional to 177,320.61, 265,886.91 and 77,364.03

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Solution

The fourth proportional to 177,320.61, 265,886.91 and 77,364.03 is: 116,005.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,320.61 : 265,886.91 = 77,364.03 : x
  2. Step 2: Convert to fraction form
    177,320.61/265,886.91 = 77,364.03/x
  3. Step 3: Cross multiply
    177,320.61x = 265,886.91 × 77,364.03
  4. Step 4: Simplify right side
    177,320.61x = 20,570,082,881.85
  5. Step 5: Solve for x
    x = 20,570,082,881.85/177,320.61
  6. Step 6: Final answer
    x = 116,005.03

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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.