Home / 236,900.79-326,938.91-133,560.50

Finding the Fourth Proportional to 236,900.79, 326,938.91 and 133,560.50

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Solution

The fourth proportional to 236,900.79, 326,938.91 and 133,560.50 is: 184,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,900.79 : 326,938.91 = 133,560.50 : x
  2. Step 2: Convert to fraction form
    236,900.79/326,938.91 = 133,560.50/x
  3. Step 3: Cross multiply
    236,900.79x = 326,938.91 × 133,560.50
  4. Step 4: Simplify right side
    236,900.79x = 43,666,121,986.56
  5. Step 5: Solve for x
    x = 43,666,121,986.56/236,900.79
  6. Step 6: Final answer
    x = 184,322.40

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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.