Home / 236,359.16-326,177.73-128,929.67

Finding the Fourth Proportional to 236,359.16, 326,177.73 and 128,929.67

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Solution

The fourth proportional to 236,359.16, 326,177.73 and 128,929.67 is: 177,924.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,359.16 : 326,177.73 = 128,929.67 : x
  2. Step 2: Convert to fraction form
    236,359.16/326,177.73 = 128,929.67/x
  3. Step 3: Cross multiply
    236,359.16x = 326,177.73 × 128,929.67
  4. Step 4: Simplify right side
    236,359.16x = 42,053,986,445.60
  5. Step 5: Solve for x
    x = 42,053,986,445.60/236,359.16
  6. Step 6: Final answer
    x = 177,924.08

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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.