Home / 236,329.48-326,138.57-128,899.52

Finding the Fourth Proportional to 236,329.48, 326,138.57 and 128,899.52

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Solution

The fourth proportional to 236,329.48, 326,138.57 and 128,899.52 is: 177,883.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,329.48 : 326,138.57 = 128,899.52 : x
  2. Step 2: Convert to fraction form
    236,329.48/326,138.57 = 128,899.52/x
  3. Step 3: Cross multiply
    236,329.48x = 326,138.57 × 128,899.52
  4. Step 4: Simplify right side
    236,329.48x = 42,039,104,479.46
  5. Step 5: Solve for x
    x = 42,039,104,479.46/236,329.48
  6. Step 6: Final answer
    x = 177,883.45

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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.