Home / 99,208.15-136,905.27-56,186.94

Finding the Fourth Proportional to 99,208.15, 136,905.27 and 56,186.94

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Solution

The fourth proportional to 99,208.15, 136,905.27 and 56,186.94 is: 77,536.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,208.15 : 136,905.27 = 56,186.94 : x
  2. Step 2: Convert to fraction form
    99,208.15/136,905.27 = 56,186.94/x
  3. Step 3: Cross multiply
    99,208.15x = 136,905.27 × 56,186.94
  4. Step 4: Simplify right side
    99,208.15x = 7,692,288,191.17
  5. Step 5: Solve for x
    x = 7,692,288,191.17/99,208.15
  6. Step 6: Final answer
    x = 77,536.86

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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.