Home / 189,461.47-261,450.29-112,941.07

Finding the Fourth Proportional to 189,461.47, 261,450.29 and 112,941.07

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Solution

The fourth proportional to 189,461.47, 261,450.29 and 112,941.07 is: 155,854.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,461.47 : 261,450.29 = 112,941.07 : x
  2. Step 2: Convert to fraction form
    189,461.47/261,450.29 = 112,941.07/x
  3. Step 3: Cross multiply
    189,461.47x = 261,450.29 × 112,941.07
  4. Step 4: Simplify right side
    189,461.47x = 29,528,475,504.41
  5. Step 5: Solve for x
    x = 29,528,475,504.41/189,461.47
  6. Step 6: Final answer
    x = 155,854.78

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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.