Home / 209,933.32-289,714.98-125,038.84

Finding the Fourth Proportional to 209,933.32, 289,714.98 and 125,038.84

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Solution

The fourth proportional to 209,933.32, 289,714.98 and 125,038.84 is: 172,557.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,933.32 : 289,714.98 = 125,038.84 : x
  2. Step 2: Convert to fraction form
    209,933.32/289,714.98 = 125,038.84/x
  3. Step 3: Cross multiply
    209,933.32x = 289,714.98 × 125,038.84
  4. Step 4: Simplify right side
    209,933.32x = 36,225,625,029.82
  5. Step 5: Solve for x
    x = 36,225,625,029.82/209,933.32
  6. Step 6: Final answer
    x = 172,557.77

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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.