Home / 190,291.18-262,352.88-163,719.12

Finding the Fourth Proportional to 190,291.18, 262,352.88 and 163,719.12

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Solution

The fourth proportional to 190,291.18, 262,352.88 and 163,719.12 is: 225,718.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,291.18 : 262,352.88 = 163,719.12 : x
  2. Step 2: Convert to fraction form
    190,291.18/262,352.88 = 163,719.12/x
  3. Step 3: Cross multiply
    190,291.18x = 262,352.88 × 163,719.12
  4. Step 4: Simplify right side
    190,291.18x = 42,952,182,643.07
  5. Step 5: Solve for x
    x = 42,952,182,643.07/190,291.18
  6. Step 6: Final answer
    x = 225,718.20

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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.