Home / 127,420.28-190,714.53-93,677.36

Finding the Fourth Proportional to 127,420.28, 190,714.53 and 93,677.36

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Solution

The fourth proportional to 127,420.28, 190,714.53 and 93,677.36 is: 140,210.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,420.28 : 190,714.53 = 93,677.36 : x
  2. Step 2: Convert to fraction form
    127,420.28/190,714.53 = 93,677.36/x
  3. Step 3: Cross multiply
    127,420.28x = 190,714.53 × 93,677.36
  4. Step 4: Simplify right side
    127,420.28x = 17,865,634,154.53
  5. Step 5: Solve for x
    x = 17,865,634,154.53/127,420.28
  6. Step 6: Final answer
    x = 140,210.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.