Home / 127,072.94-175,359.38-70,482.86

Finding the Fourth Proportional to 127,072.94, 175,359.38 and 70,482.86

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Solution

The fourth proportional to 127,072.94, 175,359.38 and 70,482.86 is: 97,265.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,072.94 : 175,359.38 = 70,482.86 : x
  2. Step 2: Convert to fraction form
    127,072.94/175,359.38 = 70,482.86/x
  3. Step 3: Cross multiply
    127,072.94x = 175,359.38 × 70,482.86
  4. Step 4: Simplify right side
    127,072.94x = 12,359,830,630.23
  5. Step 5: Solve for x
    x = 12,359,830,630.23/127,072.94
  6. Step 6: Final answer
    x = 97,265.64

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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.