Home / 199,521.74-275,387.28-114,688.10

Finding the Fourth Proportional to 199,521.74, 275,387.28 and 114,688.10

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Solution

The fourth proportional to 199,521.74, 275,387.28 and 114,688.10 is: 158,296.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,521.74 : 275,387.28 = 114,688.10 : x
  2. Step 2: Convert to fraction form
    199,521.74/275,387.28 = 114,688.10/x
  3. Step 3: Cross multiply
    199,521.74x = 275,387.28 × 114,688.10
  4. Step 4: Simplify right side
    199,521.74x = 31,583,643,907.37
  5. Step 5: Solve for x
    x = 31,583,643,907.37/199,521.74
  6. Step 6: Final answer
    x = 158,296.75

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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.