Home / 410,020.64-615,056.88-173,332.16

Finding the Fourth Proportional to 410,020.64, 615,056.88 and 173,332.16

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Solution

The fourth proportional to 410,020.64, 615,056.88 and 173,332.16 is: 260,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,020.64 : 615,056.88 = 173,332.16 : x
  2. Step 2: Convert to fraction form
    410,020.64/615,056.88 = 173,332.16/x
  3. Step 3: Cross multiply
    410,020.64x = 615,056.88 × 173,332.16
  4. Step 4: Simplify right side
    410,020.64x = 106,609,137,533.26
  5. Step 5: Solve for x
    x = 106,609,137,533.26/410,020.64
  6. Step 6: Final answer
    x = 260,009.20

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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.