Home / 173,300.90-239,143.82-100,697.36

Finding the Fourth Proportional to 173,300.90, 239,143.82 and 100,697.36

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Solution

The fourth proportional to 173,300.90, 239,143.82 and 100,697.36 is: 138,955.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,300.90 : 239,143.82 = 100,697.36 : x
  2. Step 2: Convert to fraction form
    173,300.90/239,143.82 = 100,697.36/x
  3. Step 3: Cross multiply
    173,300.90x = 239,143.82 × 100,697.36
  4. Step 4: Simplify right side
    173,300.90x = 24,081,151,334.32
  5. Step 5: Solve for x
    x = 24,081,151,334.32/173,300.90
  6. Step 6: Final answer
    x = 138,955.72

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1.5x scale

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.