Home / 480,025.10-720,037.65-164,434.70

Finding the Fourth Proportional to 480,025.10, 720,037.65 and 164,434.70

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Solution

The fourth proportional to 480,025.10, 720,037.65 and 164,434.70 is: 246,652.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,025.10 : 720,037.65 = 164,434.70 : x
  2. Step 2: Convert to fraction form
    480,025.10/720,037.65 = 164,434.70/x
  3. Step 3: Cross multiply
    480,025.10x = 720,037.65 × 164,434.70
  4. Step 4: Simplify right side
    480,025.10x = 118,399,174,966.46
  5. Step 5: Solve for x
    x = 118,399,174,966.46/480,025.10
  6. Step 6: Final answer
    x = 246,652.05

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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.