Home / 235,666.10-325,219.92-128,236.16

Finding the Fourth Proportional to 235,666.10, 325,219.92 and 128,236.16

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Solution

The fourth proportional to 235,666.10, 325,219.92 and 128,236.16 is: 176,966.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,666.10 : 325,219.92 = 128,236.16 : x
  2. Step 2: Convert to fraction form
    235,666.10/325,219.92 = 128,236.16/x
  3. Step 3: Cross multiply
    235,666.10x = 325,219.92 × 128,236.16
  4. Step 4: Simplify right side
    235,666.10x = 41,704,953,696.31
  5. Step 5: Solve for x
    x = 41,704,953,696.31/235,666.10
  6. Step 6: Final answer
    x = 176,966.28

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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.