Home / 147,756.63-221,666.08-47,909.03

Finding the Fourth Proportional to 147,756.63, 221,666.08 and 47,909.03

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Solution

The fourth proportional to 147,756.63, 221,666.08 and 47,909.03 is: 71,873.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,756.63 : 221,666.08 = 47,909.03 : x
  2. Step 2: Convert to fraction form
    147,756.63/221,666.08 = 47,909.03/x
  3. Step 3: Cross multiply
    147,756.63x = 221,666.08 × 47,909.03
  4. Step 4: Simplify right side
    147,756.63x = 10,619,807,191.32
  5. Step 5: Solve for x
    x = 10,619,807,191.32/147,756.63
  6. Step 6: Final answer
    x = 71,873.64

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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.