Home / 163,740.83-245,611.24-45,412.17

Finding the Fourth Proportional to 163,740.83, 245,611.24 and 45,412.17

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Solution

The fourth proportional to 163,740.83, 245,611.24 and 45,412.17 is: 68,118.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,740.83 : 245,611.24 = 45,412.17 : x
  2. Step 2: Convert to fraction form
    163,740.83/245,611.24 = 45,412.17/x
  3. Step 3: Cross multiply
    163,740.83x = 245,611.24 × 45,412.17
  4. Step 4: Simplify right side
    163,740.83x = 11,153,739,271.26
  5. Step 5: Solve for x
    x = 11,153,739,271.26/163,740.83
  6. Step 6: Final answer
    x = 68,118.25

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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.