Home / 127,473.12-175,917.72-70,888.56

Finding the Fourth Proportional to 127,473.12, 175,917.72 and 70,888.56

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Solution

The fourth proportional to 127,473.12, 175,917.72 and 70,888.56 is: 97,828.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,473.12 : 175,917.72 = 70,888.56 : x
  2. Step 2: Convert to fraction form
    127,473.12/175,917.72 = 70,888.56/x
  3. Step 3: Cross multiply
    127,473.12x = 175,917.72 × 70,888.56
  4. Step 4: Simplify right side
    127,473.12x = 12,470,553,849.28
  5. Step 5: Solve for x
    x = 12,470,553,849.28/127,473.12
  6. Step 6: Final answer
    x = 97,828.89

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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.