Home / 395,210.16-592,877.21-128,909.19

Finding the Fourth Proportional to 395,210.16, 592,877.21 and 128,909.19

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Solution

The fourth proportional to 395,210.16, 592,877.21 and 128,909.19 is: 193,384.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,210.16 : 592,877.21 = 128,909.19 : x
  2. Step 2: Convert to fraction form
    395,210.16/592,877.21 = 128,909.19/x
  3. Step 3: Cross multiply
    395,210.16x = 592,877.21 × 128,909.19
  4. Step 4: Simplify right side
    395,210.16x = 76,427,320,910.56
  5. Step 5: Solve for x
    x = 76,427,320,910.56/395,210.16
  6. Step 6: Final answer
    x = 193,384.00

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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.