Home / 189,088.02-283,713.30-70,744.32

Finding the Fourth Proportional to 189,088.02, 283,713.30 and 70,744.32

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Solution

The fourth proportional to 189,088.02, 283,713.30 and 70,744.32 is: 106,146.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,088.02 : 283,713.30 = 70,744.32 : x
  2. Step 2: Convert to fraction form
    189,088.02/283,713.30 = 70,744.32/x
  3. Step 3: Cross multiply
    189,088.02x = 283,713.30 × 70,744.32
  4. Step 4: Simplify right side
    189,088.02x = 20,071,104,483.46
  5. Step 5: Solve for x
    x = 20,071,104,483.46/189,088.02
  6. Step 6: Final answer
    x = 106,146.89

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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.