Home / 127,017.66-175,298.81-73,317.09

Finding the Fourth Proportional to 127,017.66, 175,298.81 and 73,317.09

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Solution

The fourth proportional to 127,017.66, 175,298.81 and 73,317.09 is: 101,185.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,017.66 : 175,298.81 = 73,317.09 : x
  2. Step 2: Convert to fraction form
    127,017.66/175,298.81 = 73,317.09/x
  3. Step 3: Cross multiply
    127,017.66x = 175,298.81 × 73,317.09
  4. Step 4: Simplify right side
    127,017.66x = 12,852,398,263.08
  5. Step 5: Solve for x
    x = 12,852,398,263.08/127,017.66
  6. Step 6: Final answer
    x = 101,185.92

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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.