Home / 140,187.39-193,455.59-76,526.25

Finding the Fourth Proportional to 140,187.39, 193,455.59 and 76,526.25

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Solution

The fourth proportional to 140,187.39, 193,455.59 and 76,526.25 is: 105,604.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,187.39 : 193,455.59 = 76,526.25 : x
  2. Step 2: Convert to fraction form
    140,187.39/193,455.59 = 76,526.25/x
  3. Step 3: Cross multiply
    140,187.39x = 193,455.59 × 76,526.25
  4. Step 4: Simplify right side
    140,187.39x = 14,804,430,461.61
  5. Step 5: Solve for x
    x = 14,804,430,461.61/140,187.39
  6. Step 6: Final answer
    x = 105,604.58

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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.