Home / 236,368.48-326,181.36-128,940.16

Finding the Fourth Proportional to 236,368.48, 326,181.36 and 128,940.16

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Solution

The fourth proportional to 236,368.48, 326,181.36 and 128,940.16 is: 177,933.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,368.48 : 326,181.36 = 128,940.16 : x
  2. Step 2: Convert to fraction form
    236,368.48/326,181.36 = 128,940.16/x
  3. Step 3: Cross multiply
    236,368.48x = 326,181.36 × 128,940.16
  4. Step 4: Simplify right side
    236,368.48x = 42,057,876,747.42
  5. Step 5: Solve for x
    x = 42,057,876,747.42/236,368.48
  6. Step 6: Final answer
    x = 177,933.52

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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.