Home / 170,018.20-254,444.10-156,021.40

Finding the Fourth Proportional to 170,018.20, 254,444.10 and 156,021.40

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Solution

The fourth proportional to 170,018.20, 254,444.10 and 156,021.40 is: 233,496.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,018.20 : 254,444.10 = 156,021.40 : x
  2. Step 2: Convert to fraction form
    170,018.20/254,444.10 = 156,021.40/x
  3. Step 3: Cross multiply
    170,018.20x = 254,444.10 × 156,021.40
  4. Step 4: Simplify right side
    170,018.20x = 39,698,724,703.74
  5. Step 5: Solve for x
    x = 39,698,724,703.74/170,018.20
  6. Step 6: Final answer
    x = 233,496.91

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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.