Home / 127,443.20-175,871.04-70,851.20

Finding the Fourth Proportional to 127,443.20, 175,871.04 and 70,851.20

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Solution

The fourth proportional to 127,443.20, 175,871.04 and 70,851.20 is: 97,774.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,443.20 : 175,871.04 = 70,851.20 : x
  2. Step 2: Convert to fraction form
    127,443.20/175,871.04 = 70,851.20/x
  3. Step 3: Cross multiply
    127,443.20x = 175,871.04 × 70,851.20
  4. Step 4: Simplify right side
    127,443.20x = 12,460,674,229.25
  5. Step 5: Solve for x
    x = 12,460,674,229.25/127,443.20
  6. Step 6: Final answer
    x = 97,774.34

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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.