Home / 170,787.51-235,467.36-140,047.72

Finding the Fourth Proportional to 170,787.51, 235,467.36 and 140,047.72

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Solution

The fourth proportional to 170,787.51, 235,467.36 and 140,047.72 is: 193,085.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,787.51 : 235,467.36 = 140,047.72 : x
  2. Step 2: Convert to fraction form
    170,787.51/235,467.36 = 140,047.72/x
  3. Step 3: Cross multiply
    170,787.51x = 235,467.36 × 140,047.72
  4. Step 4: Simplify right side
    170,787.51x = 32,976,666,313.75
  5. Step 5: Solve for x
    x = 32,976,666,313.75/170,787.51
  6. Step 6: Final answer
    x = 193,085.94

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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.