Home / 236,370.48-326,184.12-128,942.16

Finding the Fourth Proportional to 236,370.48, 326,184.12 and 128,942.16

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Solution

The fourth proportional to 236,370.48, 326,184.12 and 128,942.16 is: 177,936.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,370.48 : 326,184.12 = 128,942.16 : x
  2. Step 2: Convert to fraction form
    236,370.48/326,184.12 = 128,942.16/x
  3. Step 3: Cross multiply
    236,370.48x = 326,184.12 × 128,942.16
  4. Step 4: Simplify right side
    236,370.48x = 42,058,884,990.50
  5. Step 5: Solve for x
    x = 42,058,884,990.50/236,370.48
  6. Step 6: Final answer
    x = 177,936.28

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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.