Home / 189,518.67-261,534.02-104,636.34

Finding the Fourth Proportional to 189,518.67, 261,534.02 and 104,636.34

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Solution

The fourth proportional to 189,518.67, 261,534.02 and 104,636.34 is: 144,397.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,518.67 : 261,534.02 = 104,636.34 : x
  2. Step 2: Convert to fraction form
    189,518.67/261,534.02 = 104,636.34/x
  3. Step 3: Cross multiply
    189,518.67x = 261,534.02 × 104,636.34
  4. Step 4: Simplify right side
    189,518.67x = 27,365,962,115.11
  5. Step 5: Solve for x
    x = 27,365,962,115.11/189,518.67
  6. Step 6: Final answer
    x = 144,397.18

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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.