Home / 173,534.38-239,495.11-105,556.04

Finding the Fourth Proportional to 173,534.38, 239,495.11 and 105,556.04

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Solution

The fourth proportional to 173,534.38, 239,495.11 and 105,556.04 is: 145,678.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,534.38 : 239,495.11 = 105,556.04 : x
  2. Step 2: Convert to fraction form
    173,534.38/239,495.11 = 105,556.04/x
  3. Step 3: Cross multiply
    173,534.38x = 239,495.11 × 105,556.04
  4. Step 4: Simplify right side
    173,534.38x = 25,280,154,847.71
  5. Step 5: Solve for x
    x = 25,280,154,847.71/173,534.38
  6. Step 6: Final answer
    x = 145,678.08

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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.