Home / 127,901.28-176,504.94-70,542.84

Finding the Fourth Proportional to 127,901.28, 176,504.94 and 70,542.84

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Solution

The fourth proportional to 127,901.28, 176,504.94 and 70,542.84 is: 97,349.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,901.28 : 176,504.94 = 70,542.84 : x
  2. Step 2: Convert to fraction form
    127,901.28/176,504.94 = 70,542.84/x
  3. Step 3: Cross multiply
    127,901.28x = 176,504.94 × 70,542.84
  4. Step 4: Simplify right side
    127,901.28x = 12,451,159,741.63
  5. Step 5: Solve for x
    x = 12,451,159,741.63/127,901.28
  6. Step 6: Final answer
    x = 97,349.77

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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.