Home / 127,190.21-175,513.70-70,597.13

Finding the Fourth Proportional to 127,190.21, 175,513.70 and 70,597.13

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Solution

The fourth proportional to 127,190.21, 175,513.70 and 70,597.13 is: 97,419.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,190.21 : 175,513.70 = 70,597.13 : x
  2. Step 2: Convert to fraction form
    127,190.21/175,513.70 = 70,597.13/x
  3. Step 3: Cross multiply
    127,190.21x = 175,513.70 × 70,597.13
  4. Step 4: Simplify right side
    127,190.21x = 12,390,762,794.61
  5. Step 5: Solve for x
    x = 12,390,762,794.61/127,190.21
  6. Step 6: Final answer
    x = 97,419.16

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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.