Home / 163,684.47-245,527.02-45,356.16

Finding the Fourth Proportional to 163,684.47, 245,527.02 and 45,356.16

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Solution

The fourth proportional to 163,684.47, 245,527.02 and 45,356.16 is: 68,034.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,684.47 : 245,527.02 = 45,356.16 : x
  2. Step 2: Convert to fraction form
    163,684.47/245,527.02 = 45,356.16/x
  3. Step 3: Cross multiply
    163,684.47x = 245,527.02 × 45,356.16
  4. Step 4: Simplify right side
    163,684.47x = 11,136,162,803.44
  5. Step 5: Solve for x
    x = 11,136,162,803.44/163,684.47
  6. Step 6: Final answer
    x = 68,034.33

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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.