Home / 127,910.52-176,514-70,555.08

Finding the Fourth Proportional to 127,910.52, 176,514 and 70,555.08

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Solution

The fourth proportional to 127,910.52, 176,514 and 70,555.08 is: 97,364.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,910.52 : 176,514 = 70,555.08 : x
  2. Step 2: Convert to fraction form
    127,910.52/176,514 = 70,555.08/x
  3. Step 3: Cross multiply
    127,910.52x = 176,514 × 70,555.08
  4. Step 4: Simplify right side
    127,910.52x = 12,453,959,391.12
  5. Step 5: Solve for x
    x = 12,453,959,391.12/127,910.52
  6. Step 6: Final answer
    x = 97,364.62

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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.