Home / 235,495.52-324,985.98-128,066.56

Finding the Fourth Proportional to 235,495.52, 324,985.98 and 128,066.56

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Solution

The fourth proportional to 235,495.52, 324,985.98 and 128,066.56 is: 176,733.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,495.52 : 324,985.98 = 128,066.56 : x
  2. Step 2: Convert to fraction form
    235,495.52/324,985.98 = 128,066.56/x
  3. Step 3: Cross multiply
    235,495.52x = 324,985.98 × 128,066.56
  4. Step 4: Simplify right side
    235,495.52x = 41,619,836,506.83
  5. Step 5: Solve for x
    x = 41,619,836,506.83/235,495.52
  6. Step 6: Final answer
    x = 176,733.03

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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.