Home / 266,820.13-368,231.75-152,101.50

Finding the Fourth Proportional to 266,820.13, 368,231.75 and 152,101.50

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Solution

The fourth proportional to 266,820.13, 368,231.75 and 152,101.50 is: 209,911.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,820.13 : 368,231.75 = 152,101.50 : x
  2. Step 2: Convert to fraction form
    266,820.13/368,231.75 = 152,101.50/x
  3. Step 3: Cross multiply
    266,820.13x = 368,231.75 × 152,101.50
  4. Step 4: Simplify right side
    266,820.13x = 56,008,602,823.46
  5. Step 5: Solve for x
    x = 56,008,602,823.46/266,820.13
  6. Step 6: Final answer
    x = 209,911.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.