Home / 189,875.28-262,141.58-118,352.18

Finding the Fourth Proportional to 189,875.28, 262,141.58 and 118,352.18

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Solution

The fourth proportional to 189,875.28, 262,141.58 and 118,352.18 is: 163,396.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,875.28 : 262,141.58 = 118,352.18 : x
  2. Step 2: Convert to fraction form
    189,875.28/262,141.58 = 118,352.18/x
  3. Step 3: Cross multiply
    189,875.28x = 262,141.58 × 118,352.18
  4. Step 4: Simplify right side
    189,875.28x = 31,025,027,461.64
  5. Step 5: Solve for x
    x = 31,025,027,461.64/189,875.28
  6. Step 6: Final answer
    x = 163,396.88

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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.