Home / 170,740.36-256,044.90-117,989.92

Finding the Fourth Proportional to 170,740.36, 256,044.90 and 117,989.92

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Solution

The fourth proportional to 170,740.36, 256,044.90 and 117,989.92 is: 176,939.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,740.36 : 256,044.90 = 117,989.92 : x
  2. Step 2: Convert to fraction form
    170,740.36/256,044.90 = 117,989.92/x
  3. Step 3: Cross multiply
    170,740.36x = 256,044.90 × 117,989.92
  4. Step 4: Simplify right side
    170,740.36x = 30,210,717,267.41
  5. Step 5: Solve for x
    x = 30,210,717,267.41/170,740.36
  6. Step 6: Final answer
    x = 176,939.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.