Home / 252,208.13-348,054.50-139,038.17

Finding the Fourth Proportional to 252,208.13, 348,054.50 and 139,038.17

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Solution

The fourth proportional to 252,208.13, 348,054.50 and 139,038.17 is: 191,876.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,208.13 : 348,054.50 = 139,038.17 : x
  2. Step 2: Convert to fraction form
    252,208.13/348,054.50 = 139,038.17/x
  3. Step 3: Cross multiply
    252,208.13x = 348,054.50 × 139,038.17
  4. Step 4: Simplify right side
    252,208.13x = 48,392,859,347.59
  5. Step 5: Solve for x
    x = 48,392,859,347.59/252,208.13
  6. Step 6: Final answer
    x = 191,876.69

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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.