Home / 236,359.04-326,177.55-128,929.55

Finding the Fourth Proportional to 236,359.04, 326,177.55 and 128,929.55

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Solution

The fourth proportional to 236,359.04, 326,177.55 and 128,929.55 is: 177,923.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,359.04 : 326,177.55 = 128,929.55 : x
  2. Step 2: Convert to fraction form
    236,359.04/326,177.55 = 128,929.55/x
  3. Step 3: Cross multiply
    236,359.04x = 326,177.55 × 128,929.55
  4. Step 4: Simplify right side
    236,359.04x = 42,053,923,110.71
  5. Step 5: Solve for x
    x = 42,053,923,110.71/236,359.04
  6. Step 6: Final answer
    x = 177,923.91

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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.