Home / 127,656.18-176,164.00-70,294.28

Finding the Fourth Proportional to 127,656.18, 176,164.00 and 70,294.28

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Solution

The fourth proportional to 127,656.18, 176,164.00 and 70,294.28 is: 97,005.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,656.18 : 176,164.00 = 70,294.28 : x
  2. Step 2: Convert to fraction form
    127,656.18/176,164.00 = 70,294.28/x
  3. Step 3: Cross multiply
    127,656.18x = 176,164.00 × 70,294.28
  4. Step 4: Simplify right side
    127,656.18x = 12,383,320,485.36
  5. Step 5: Solve for x
    x = 12,383,320,485.36/127,656.18
  6. Step 6: Final answer
    x = 97,005.26

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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.