Home / 423,005.24-634,360.02-170,220.14

Finding the Fourth Proportional to 423,005.24, 634,360.02 and 170,220.14

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Solution

The fourth proportional to 423,005.24, 634,360.02 and 170,220.14 is: 255,270.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,005.24 : 634,360.02 = 170,220.14 : x
  2. Step 2: Convert to fraction form
    423,005.24/634,360.02 = 170,220.14/x
  3. Step 3: Cross multiply
    423,005.24x = 634,360.02 × 170,220.14
  4. Step 4: Simplify right side
    423,005.24x = 107,980,848,243.00
  5. Step 5: Solve for x
    x = 107,980,848,243.00/423,005.24
  6. Step 6: Final answer
    x = 255,270.71

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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.