Home / 235,101.60-324,437.36-127,672.40

Finding the Fourth Proportional to 235,101.60, 324,437.36 and 127,672.40

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Solution

The fourth proportional to 235,101.60, 324,437.36 and 127,672.40 is: 176,186.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,101.60 : 324,437.36 = 127,672.40 : x
  2. Step 2: Convert to fraction form
    235,101.60/324,437.36 = 127,672.40/x
  3. Step 3: Cross multiply
    235,101.60x = 324,437.36 × 127,672.40
  4. Step 4: Simplify right side
    235,101.60x = 41,421,696,573.60
  5. Step 5: Solve for x
    x = 41,421,696,573.60/235,101.60
  6. Step 6: Final answer
    x = 176,186.36

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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.