Home / 147,655.80-221,475.96-42,470.64

Finding the Fourth Proportional to 147,655.80, 221,475.96 and 42,470.64

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Solution

The fourth proportional to 147,655.80, 221,475.96 and 42,470.64 is: 63,703.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,655.80 : 221,475.96 = 42,470.64 : x
  2. Step 2: Convert to fraction form
    147,655.80/221,475.96 = 42,470.64/x
  3. Step 3: Cross multiply
    147,655.80x = 221,475.96 × 42,470.64
  4. Step 4: Simplify right side
    147,655.80x = 9,406,225,765.81
  5. Step 5: Solve for x
    x = 9,406,225,765.81/147,655.80
  6. Step 6: Final answer
    x = 63,703.73

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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.