Home / 199,286.90-275,022.54-118,703.46

Finding the Fourth Proportional to 199,286.90, 275,022.54 and 118,703.46

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Solution

The fourth proportional to 199,286.90, 275,022.54 and 118,703.46 is: 163,814.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,286.90 : 275,022.54 = 118,703.46 : x
  2. Step 2: Convert to fraction form
    199,286.90/275,022.54 = 118,703.46/x
  3. Step 3: Cross multiply
    199,286.90x = 275,022.54 × 118,703.46
  4. Step 4: Simplify right side
    199,286.90x = 32,646,127,075.99
  5. Step 5: Solve for x
    x = 32,646,127,075.99/199,286.90
  6. Step 6: Final answer
    x = 163,814.72

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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.