Home / 176,431.03-243,421.16-99,937.96

Finding the Fourth Proportional to 176,431.03, 243,421.16 and 99,937.96

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Solution

The fourth proportional to 176,431.03, 243,421.16 and 99,937.96 is: 137,883.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,431.03 : 243,421.16 = 99,937.96 : x
  2. Step 2: Convert to fraction form
    176,431.03/243,421.16 = 99,937.96/x
  3. Step 3: Cross multiply
    176,431.03x = 243,421.16 × 99,937.96
  4. Step 4: Simplify right side
    176,431.03x = 24,327,013,042.99
  5. Step 5: Solve for x
    x = 24,327,013,042.99/176,431.03
  6. Step 6: Final answer
    x = 137,883.98

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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.