Home / 171,392.04-236,509.56-99,760.68

Finding the Fourth Proportional to 171,392.04, 236,509.56 and 99,760.68

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Solution

The fourth proportional to 171,392.04, 236,509.56 and 99,760.68 is: 137,663.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,392.04 : 236,509.56 = 99,760.68 : x
  2. Step 2: Convert to fraction form
    171,392.04/236,509.56 = 99,760.68/x
  3. Step 3: Cross multiply
    171,392.04x = 236,509.56 × 99,760.68
  4. Step 4: Simplify right side
    171,392.04x = 23,594,354,532.10
  5. Step 5: Solve for x
    x = 23,594,354,532.10/171,392.04
  6. Step 6: Final answer
    x = 137,663.07

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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.