Home / 173,999.90-261,024.15-74,159.30

Finding the Fourth Proportional to 173,999.90, 261,024.15 and 74,159.30

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Solution

The fourth proportional to 173,999.90, 261,024.15 and 74,159.30 is: 111,249.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,999.90 : 261,024.15 = 74,159.30 : x
  2. Step 2: Convert to fraction form
    173,999.90/261,024.15 = 74,159.30/x
  3. Step 3: Cross multiply
    173,999.90x = 261,024.15 × 74,159.30
  4. Step 4: Simplify right side
    173,999.90x = 19,357,368,247.10
  5. Step 5: Solve for x
    x = 19,357,368,247.10/173,999.90
  6. Step 6: Final answer
    x = 111,249.31

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1.5x scale

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.