Home / 235,624.14-325,153.80-128,191.41

Finding the Fourth Proportional to 235,624.14, 325,153.80 and 128,191.41

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Solution

The fourth proportional to 235,624.14, 325,153.80 and 128,191.41 is: 176,900.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,624.14 : 325,153.80 = 128,191.41 : x
  2. Step 2: Convert to fraction form
    235,624.14/325,153.80 = 128,191.41/x
  3. Step 3: Cross multiply
    235,624.14x = 325,153.80 × 128,191.41
  4. Step 4: Simplify right side
    235,624.14x = 41,681,924,088.86
  5. Step 5: Solve for x
    x = 41,681,924,088.86/235,624.14
  6. Step 6: Final answer
    x = 176,900.06

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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.