Home / 163,681.35-245,532.40-51,365.99

Finding the Fourth Proportional to 163,681.35, 245,532.40 and 51,365.99

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Solution

The fourth proportional to 163,681.35, 245,532.40 and 51,365.99 is: 77,052.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,681.35 : 245,532.40 = 51,365.99 : x
  2. Step 2: Convert to fraction form
    163,681.35/245,532.40 = 51,365.99/x
  3. Step 3: Cross multiply
    163,681.35x = 245,532.40 × 51,365.99
  4. Step 4: Simplify right side
    163,681.35x = 12,612,014,546.25
  5. Step 5: Solve for x
    x = 12,612,014,546.25/163,681.35
  6. Step 6: Final answer
    x = 77,052.24

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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.