Home / 189,287.41-283,848.00-70,875.72

Finding the Fourth Proportional to 189,287.41, 283,848.00 and 70,875.72

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Solution

The fourth proportional to 189,287.41, 283,848.00 and 70,875.72 is: 106,282.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,287.41 : 283,848.00 = 70,875.72 : x
  2. Step 2: Convert to fraction form
    189,287.41/283,848.00 = 70,875.72/x
  3. Step 3: Cross multiply
    189,287.41x = 283,848.00 × 70,875.72
  4. Step 4: Simplify right side
    189,287.41x = 20,117,929,707.71
  5. Step 5: Solve for x
    x = 20,117,929,707.71/189,287.41
  6. Step 6: Final answer
    x = 106,282.45

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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.