Home / 236,333.48-326,144.09-128,903.52

Finding the Fourth Proportional to 236,333.48, 326,144.09 and 128,903.52

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Solution

The fourth proportional to 236,333.48, 326,144.09 and 128,903.52 is: 177,888.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,333.48 : 326,144.09 = 128,903.52 : x
  2. Step 2: Convert to fraction form
    236,333.48/326,144.09 = 128,903.52/x
  3. Step 3: Cross multiply
    236,333.48x = 326,144.09 × 128,903.52
  4. Step 4: Simplify right side
    236,333.48x = 42,041,121,228.20
  5. Step 5: Solve for x
    x = 42,041,121,228.20/236,333.48
  6. Step 6: Final answer
    x = 177,888.98

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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.