Home / 173,501.90-239,340.30-105,539.66

Finding the Fourth Proportional to 173,501.90, 239,340.30 and 105,539.66

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Solution

The fourth proportional to 173,501.90, 239,340.30 and 105,539.66 is: 145,588.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,501.90 : 239,340.30 = 105,539.66 : x
  2. Step 2: Convert to fraction form
    173,501.90/239,340.30 = 105,539.66/x
  3. Step 3: Cross multiply
    173,501.90x = 239,340.30 × 105,539.66
  4. Step 4: Simplify right side
    173,501.90x = 25,259,893,886.30
  5. Step 5: Solve for x
    x = 25,259,893,886.30/173,501.90
  6. Step 6: Final answer
    x = 145,588.57

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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.