Home / 219,243.80-328,900.06-92,884.36

Finding the Fourth Proportional to 219,243.80, 328,900.06 and 92,884.36

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Solution

The fourth proportional to 219,243.80, 328,900.06 and 92,884.36 is: 139,341.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,243.80 : 328,900.06 = 92,884.36 : x
  2. Step 2: Convert to fraction form
    219,243.80/328,900.06 = 92,884.36/x
  3. Step 3: Cross multiply
    219,243.80x = 328,900.06 × 92,884.36
  4. Step 4: Simplify right side
    219,243.80x = 30,549,671,577.06
  5. Step 5: Solve for x
    x = 30,549,671,577.06/219,243.80
  6. Step 6: Final answer
    x = 139,341.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.