Home / 127,550.48-176,021.28-70,196.40

Finding the Fourth Proportional to 127,550.48, 176,021.28 and 70,196.40

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Solution

The fourth proportional to 127,550.48, 176,021.28 and 70,196.40 is: 96,871.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,550.48 : 176,021.28 = 70,196.40 : x
  2. Step 2: Convert to fraction form
    127,550.48/176,021.28 = 70,196.40/x
  3. Step 3: Cross multiply
    127,550.48x = 176,021.28 × 70,196.40
  4. Step 4: Simplify right side
    127,550.48x = 12,356,060,179.39
  5. Step 5: Solve for x
    x = 12,356,060,179.39/127,550.48
  6. Step 6: Final answer
    x = 96,871.93

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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.