Home / 177,129.71-265,667.18-64,783.66

Finding the Fourth Proportional to 177,129.71, 265,667.18 and 64,783.66

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Solution

The fourth proportional to 177,129.71, 265,667.18 and 64,783.66 is: 97,165.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,129.71 : 265,667.18 = 64,783.66 : x
  2. Step 2: Convert to fraction form
    177,129.71/265,667.18 = 64,783.66/x
  3. Step 3: Cross multiply
    177,129.71x = 265,667.18 × 64,783.66
  4. Step 4: Simplify right side
    177,129.71x = 17,210,891,298.44
  5. Step 5: Solve for x
    x = 17,210,891,298.44/177,129.71
  6. Step 6: Final answer
    x = 97,165.47

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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.