Home / 163,432.48-245,024.16-84,496.36

Finding the Fourth Proportional to 163,432.48, 245,024.16 and 84,496.36

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Solution

The fourth proportional to 163,432.48, 245,024.16 and 84,496.36 is: 126,680.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,432.48 : 245,024.16 = 84,496.36 : x
  2. Step 2: Convert to fraction form
    163,432.48/245,024.16 = 84,496.36/x
  3. Step 3: Cross multiply
    163,432.48x = 245,024.16 × 84,496.36
  4. Step 4: Simplify right side
    163,432.48x = 20,703,649,632.06
  5. Step 5: Solve for x
    x = 20,703,649,632.06/163,432.48
  6. Step 6: Final answer
    x = 126,680.14

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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.