Home / 147,284.19-203,417.73-99,454.50

Finding the Fourth Proportional to 147,284.19, 203,417.73 and 99,454.50

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Solution

The fourth proportional to 147,284.19, 203,417.73 and 99,454.50 is: 137,359.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,284.19 : 203,417.73 = 99,454.50 : x
  2. Step 2: Convert to fraction form
    147,284.19/203,417.73 = 99,454.50/x
  3. Step 3: Cross multiply
    147,284.19x = 203,417.73 × 99,454.50
  4. Step 4: Simplify right side
    147,284.19x = 20,230,808,628.29
  5. Step 5: Solve for x
    x = 20,230,808,628.29/147,284.19
  6. Step 6: Final answer
    x = 137,359.00

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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.