Home / 186,901.48-280,244.49-127,808.74

Finding the Fourth Proportional to 186,901.48, 280,244.49 and 127,808.74

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Solution

The fourth proportional to 186,901.48, 280,244.49 and 127,808.74 is: 191,639.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,901.48 : 280,244.49 = 127,808.74 : x
  2. Step 2: Convert to fraction form
    186,901.48/280,244.49 = 127,808.74/x
  3. Step 3: Cross multiply
    186,901.48x = 280,244.49 × 127,808.74
  4. Step 4: Simplify right side
    186,901.48x = 35,817,695,158.84
  5. Step 5: Solve for x
    x = 35,817,695,158.84/186,901.48
  6. Step 6: Final answer
    x = 191,639.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.