Home / 512,619.93-769,061.16-157,637.07

Finding the Fourth Proportional to 512,619.93, 769,061.16 and 157,637.07

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Solution

The fourth proportional to 512,619.93, 769,061.16 and 157,637.07 is: 236,495.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,619.93 : 769,061.16 = 157,637.07 : x
  2. Step 2: Convert to fraction form
    512,619.93/769,061.16 = 157,637.07/x
  3. Step 3: Cross multiply
    512,619.93x = 769,061.16 × 157,637.07
  4. Step 4: Simplify right side
    512,619.93x = 121,232,547,913.20
  5. Step 5: Solve for x
    x = 121,232,547,913.20/512,619.93
  6. Step 6: Final answer
    x = 236,495.97

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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.