Home / 177,122.79-265,499.65-77,256.17

Finding the Fourth Proportional to 177,122.79, 265,499.65 and 77,256.17

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Solution

The fourth proportional to 177,122.79, 265,499.65 and 77,256.17 is: 115,803.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,122.79 : 265,499.65 = 77,256.17 : x
  2. Step 2: Convert to fraction form
    177,122.79/265,499.65 = 77,256.17/x
  3. Step 3: Cross multiply
    177,122.79x = 265,499.65 × 77,256.17
  4. Step 4: Simplify right side
    177,122.79x = 20,511,486,095.34
  5. Step 5: Solve for x
    x = 20,511,486,095.34/177,122.79
  6. Step 6: Final answer
    x = 115,803.77

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1.5x scale

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.