Home / 219,059.49-302,304.91-127,200.32

Finding the Fourth Proportional to 219,059.49, 302,304.91 and 127,200.32

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Solution

The fourth proportional to 219,059.49, 302,304.91 and 127,200.32 is: 175,538.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,059.49 : 302,304.91 = 127,200.32 : x
  2. Step 2: Convert to fraction form
    219,059.49/302,304.91 = 127,200.32/x
  3. Step 3: Cross multiply
    219,059.49x = 302,304.91 × 127,200.32
  4. Step 4: Simplify right side
    219,059.49x = 38,453,282,532.66
  5. Step 5: Solve for x
    x = 38,453,282,532.66/219,059.49
  6. Step 6: Final answer
    x = 175,538.08

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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.