Home / 163,559.72-245,259.56-67,479.08

Finding the Fourth Proportional to 163,559.72, 245,259.56 and 67,479.08

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Solution

The fourth proportional to 163,559.72, 245,259.56 and 67,479.08 is: 101,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,559.72 : 245,259.56 = 67,479.08 : x
  2. Step 2: Convert to fraction form
    163,559.72/245,259.56 = 67,479.08/x
  3. Step 3: Cross multiply
    163,559.72x = 245,259.56 × 67,479.08
  4. Step 4: Simplify right side
    163,559.72x = 16,549,888,412.40
  5. Step 5: Solve for x
    x = 16,549,888,412.40/163,559.72
  6. Step 6: Final answer
    x = 101,185.60

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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.