Home / 229,918.53-317,259.72-127,919.91

Finding the Fourth Proportional to 229,918.53, 317,259.72 and 127,919.91

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Solution

The fourth proportional to 229,918.53, 317,259.72 and 127,919.91 is: 176,513.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,918.53 : 317,259.72 = 127,919.91 : x
  2. Step 2: Convert to fraction form
    229,918.53/317,259.72 = 127,919.91/x
  3. Step 3: Cross multiply
    229,918.53x = 317,259.72 × 127,919.91
  4. Step 4: Simplify right side
    229,918.53x = 40,583,834,829.03
  5. Step 5: Solve for x
    x = 40,583,834,829.03/229,918.53
  6. Step 6: Final answer
    x = 176,513.98

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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.