Home / 147,055.49-220,475.70-47,158.82

Finding the Fourth Proportional to 147,055.49, 220,475.70 and 47,158.82

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Solution

The fourth proportional to 147,055.49, 220,475.70 and 47,158.82 is: 70,703.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,055.49 : 220,475.70 = 47,158.82 : x
  2. Step 2: Convert to fraction form
    147,055.49/220,475.70 = 47,158.82/x
  3. Step 3: Cross multiply
    147,055.49x = 220,475.70 × 47,158.82
  4. Step 4: Simplify right side
    147,055.49x = 10,397,372,748.30
  5. Step 5: Solve for x
    x = 10,397,372,748.30/147,055.49
  6. Step 6: Final answer
    x = 70,703.74

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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.