Home / 236,907.81-326,901.29-152,139.69

Finding the Fourth Proportional to 236,907.81, 326,901.29 and 152,139.69

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Solution

The fourth proportional to 236,907.81, 326,901.29 and 152,139.69 is: 209,932.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,907.81 : 326,901.29 = 152,139.69 : x
  2. Step 2: Convert to fraction form
    236,907.81/326,901.29 = 152,139.69/x
  3. Step 3: Cross multiply
    236,907.81x = 326,901.29 × 152,139.69
  4. Step 4: Simplify right side
    236,907.81x = 49,734,660,160.50
  5. Step 5: Solve for x
    x = 49,734,660,160.50/236,907.81
  6. Step 6: Final answer
    x = 209,932.55

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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.