Home / 173,405.79-239,373.57-105,444.36

Finding the Fourth Proportional to 173,405.79, 239,373.57 and 105,444.36

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Solution

The fourth proportional to 173,405.79, 239,373.57 and 105,444.36 is: 145,557.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,405.79 : 239,373.57 = 105,444.36 : x
  2. Step 2: Convert to fraction form
    173,405.79/239,373.57 = 105,444.36/x
  3. Step 3: Cross multiply
    173,405.79x = 239,373.57 × 105,444.36
  4. Step 4: Simplify right side
    173,405.79x = 25,240,592,889.57
  5. Step 5: Solve for x
    x = 25,240,592,889.57/173,405.79
  6. Step 6: Final answer
    x = 145,557.96

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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.