Home / 127,173.60-175,515.12-70,603.20

Finding the Fourth Proportional to 127,173.60, 175,515.12 and 70,603.20

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Solution

The fourth proportional to 127,173.60, 175,515.12 and 70,603.20 is: 97,441.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,173.60 : 175,515.12 = 70,603.20 : x
  2. Step 2: Convert to fraction form
    127,173.60/175,515.12 = 70,603.20/x
  3. Step 3: Cross multiply
    127,173.60x = 175,515.12 × 70,603.20
  4. Step 4: Simplify right side
    127,173.60x = 12,391,929,120.38
  5. Step 5: Solve for x
    x = 12,391,929,120.38/127,173.60
  6. Step 6: Final answer
    x = 97,441.05

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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.