Home / 147,117.40-220,503.30-68,064.64

Finding the Fourth Proportional to 147,117.40, 220,503.30 and 68,064.64

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Solution

The fourth proportional to 147,117.40, 220,503.30 and 68,064.64 is: 102,017.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,117.40 : 220,503.30 = 68,064.64 : x
  2. Step 2: Convert to fraction form
    147,117.40/220,503.30 = 68,064.64/x
  3. Step 3: Cross multiply
    147,117.40x = 220,503.30 × 68,064.64
  4. Step 4: Simplify right side
    147,117.40x = 15,008,477,733.31
  5. Step 5: Solve for x
    x = 15,008,477,733.31/147,117.40
  6. Step 6: Final answer
    x = 102,017.01

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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.