Home / 127,528.48-175,990.33-70,939.86

Finding the Fourth Proportional to 127,528.48, 175,990.33 and 70,939.86

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Solution

The fourth proportional to 127,528.48, 175,990.33 and 70,939.86 is: 97,897.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,528.48 : 175,990.33 = 70,939.86 : x
  2. Step 2: Convert to fraction form
    127,528.48/175,990.33 = 70,939.86/x
  3. Step 3: Cross multiply
    127,528.48x = 175,990.33 × 70,939.86
  4. Step 4: Simplify right side
    127,528.48x = 12,484,729,371.55
  5. Step 5: Solve for x
    x = 12,484,729,371.55/127,528.48
  6. Step 6: Final answer
    x = 97,897.58

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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.