Home / 127,878.09-176,467.72-70,519.83

Finding the Fourth Proportional to 127,878.09, 176,467.72 and 70,519.83

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Solution

The fourth proportional to 127,878.09, 176,467.72 and 70,519.83 is: 97,315.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,878.09 : 176,467.72 = 70,519.83 : x
  2. Step 2: Convert to fraction form
    127,878.09/176,467.72 = 70,519.83/x
  3. Step 3: Cross multiply
    127,878.09x = 176,467.72 × 70,519.83
  4. Step 4: Simplify right side
    127,878.09x = 12,444,473,901.69
  5. Step 5: Solve for x
    x = 12,444,473,901.69/127,878.09
  6. Step 6: Final answer
    x = 97,315.14

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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.