Home / 127,555.63-176,027.57-70,193.36

Finding the Fourth Proportional to 127,555.63, 176,027.57 and 70,193.36

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Solution

The fourth proportional to 127,555.63, 176,027.57 and 70,193.36 is: 96,867.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,555.63 : 176,027.57 = 70,193.36 : x
  2. Step 2: Convert to fraction form
    127,555.63/176,027.57 = 70,193.36/x
  3. Step 3: Cross multiply
    127,555.63x = 176,027.57 × 70,193.36
  4. Step 4: Simplify right side
    127,555.63x = 12,355,966,943.26
  5. Step 5: Solve for x
    x = 12,355,966,943.26/127,555.63
  6. Step 6: Final answer
    x = 96,867.28

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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.