Home / 219,201.16-302,411.53-127,304.80

Finding the Fourth Proportional to 219,201.16, 302,411.53 and 127,304.80

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Solution

The fourth proportional to 219,201.16, 302,411.53 and 127,304.80 is: 175,630.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,201.16 : 302,411.53 = 127,304.80 : x
  2. Step 2: Convert to fraction form
    219,201.16/302,411.53 = 127,304.80/x
  3. Step 3: Cross multiply
    219,201.16x = 302,411.53 × 127,304.80
  4. Step 4: Simplify right side
    219,201.16x = 38,498,438,389.40
  5. Step 5: Solve for x
    x = 38,498,438,389.40/219,201.16
  6. Step 6: Final answer
    x = 175,630.64

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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.