Home / 104,537.64-156,602.32-83,521.40

Finding the Fourth Proportional to 104,537.64, 156,602.32 and 83,521.40

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Solution

The fourth proportional to 104,537.64, 156,602.32 and 83,521.40 is: 125,119.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,537.64 : 156,602.32 = 83,521.40 : x
  2. Step 2: Convert to fraction form
    104,537.64/156,602.32 = 83,521.40/x
  3. Step 3: Cross multiply
    104,537.64x = 156,602.32 × 83,521.40
  4. Step 4: Simplify right side
    104,537.64x = 13,079,645,009.65
  5. Step 5: Solve for x
    x = 13,079,645,009.65/104,537.64
  6. Step 6: Final answer
    x = 125,119.00

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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.