Home / 119,013.15-164,240.81-65,298.00

Finding the Fourth Proportional to 119,013.15, 164,240.81 and 65,298.00

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Solution

The fourth proportional to 119,013.15, 164,240.81 and 65,298.00 is: 90,112.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,013.15 : 164,240.81 = 65,298.00 : x
  2. Step 2: Convert to fraction form
    119,013.15/164,240.81 = 65,298.00/x
  3. Step 3: Cross multiply
    119,013.15x = 164,240.81 × 65,298.00
  4. Step 4: Simplify right side
    119,013.15x = 10,724,596,389.11
  5. Step 5: Solve for x
    x = 10,724,596,389.11/119,013.15
  6. Step 6: Final answer
    x = 90,112.70

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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.