Home / 167,437.72-252,307.60-138,503.71

Finding the Fourth Proportional to 167,437.72, 252,307.60 and 138,503.71

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Solution

The fourth proportional to 167,437.72, 252,307.60 and 138,503.71 is: 208,707.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,437.72 : 252,307.60 = 138,503.71 : x
  2. Step 2: Convert to fraction form
    167,437.72/252,307.60 = 138,503.71/x
  3. Step 3: Cross multiply
    167,437.72x = 252,307.60 × 138,503.71
  4. Step 4: Simplify right side
    167,437.72x = 34,945,538,661.20
  5. Step 5: Solve for x
    x = 34,945,538,661.20/167,437.72
  6. Step 6: Final answer
    x = 208,707.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.