Home / 180,001.35-248,400.30-99,434.50

Finding the Fourth Proportional to 180,001.35, 248,400.30 and 99,434.50

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Solution

The fourth proportional to 180,001.35, 248,400.30 and 99,434.50 is: 137,218.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,001.35 : 248,400.30 = 99,434.50 : x
  2. Step 2: Convert to fraction form
    180,001.35/248,400.30 = 99,434.50/x
  3. Step 3: Cross multiply
    180,001.35x = 248,400.30 × 99,434.50
  4. Step 4: Simplify right side
    180,001.35x = 24,699,559,382.23
  5. Step 5: Solve for x
    x = 24,699,559,382.23/180,001.35
  6. Step 6: Final answer
    x = 137,218.75

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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.