Home / 124,124.74-170,859.54-108,181.50

Finding the Fourth Proportional to 124,124.74, 170,859.54 and 108,181.50

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Solution

The fourth proportional to 124,124.74, 170,859.54 and 108,181.50 is: 148,913.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,124.74 : 170,859.54 = 108,181.50 : x
  2. Step 2: Convert to fraction form
    124,124.74/170,859.54 = 108,181.50/x
  3. Step 3: Cross multiply
    124,124.74x = 170,859.54 × 108,181.50
  4. Step 4: Simplify right side
    124,124.74x = 18,483,841,326.51
  5. Step 5: Solve for x
    x = 18,483,841,326.51/124,124.74
  6. Step 6: Final answer
    x = 148,913.43

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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.