Home / 147,225.60-203,172.30-83,564.46

Finding the Fourth Proportional to 147,225.60, 203,172.30 and 83,564.46

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Solution

The fourth proportional to 147,225.60, 203,172.30 and 83,564.46 is: 115,319.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,225.60 : 203,172.30 = 83,564.46 : x
  2. Step 2: Convert to fraction form
    147,225.60/203,172.30 = 83,564.46/x
  3. Step 3: Cross multiply
    147,225.60x = 203,172.30 × 83,564.46
  4. Step 4: Simplify right side
    147,225.60x = 16,977,983,536.46
  5. Step 5: Solve for x
    x = 16,977,983,536.46/147,225.60
  6. Step 6: Final answer
    x = 115,319.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.