Home / 163,681.71-245,532.95-51,366.36

Finding the Fourth Proportional to 163,681.71, 245,532.95 and 51,366.36

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Solution

The fourth proportional to 163,681.71, 245,532.95 and 51,366.36 is: 77,052.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,681.71 : 245,532.95 = 51,366.36 : x
  2. Step 2: Convert to fraction form
    163,681.71/245,532.95 = 51,366.36/x
  3. Step 3: Cross multiply
    163,681.71x = 245,532.95 × 51,366.36
  4. Step 4: Simplify right side
    163,681.71x = 12,612,133,644.73
  5. Step 5: Solve for x
    x = 12,612,133,644.73/163,681.71
  6. Step 6: Final answer
    x = 77,052.80

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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.