Home / 147,700.26-203,313.24-128,804.58

Finding the Fourth Proportional to 147,700.26, 203,313.24 and 128,804.58

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Solution

The fourth proportional to 147,700.26, 203,313.24 and 128,804.58 is: 177,302.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,700.26 : 203,313.24 = 128,804.58 : x
  2. Step 2: Convert to fraction form
    147,700.26/203,313.24 = 128,804.58/x
  3. Step 3: Cross multiply
    147,700.26x = 203,313.24 × 128,804.58
  4. Step 4: Simplify right side
    147,700.26x = 26,187,676,486.64
  5. Step 5: Solve for x
    x = 26,187,676,486.64/147,700.26
  6. Step 6: Final answer
    x = 177,302.85

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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.