Home / 127,893.09-176,485.98-70,542.39

Finding the Fourth Proportional to 127,893.09, 176,485.98 and 70,542.39

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Solution

The fourth proportional to 127,893.09, 176,485.98 and 70,542.39 is: 97,344.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,893.09 : 176,485.98 = 70,542.39 : x
  2. Step 2: Convert to fraction form
    127,893.09/176,485.98 = 70,542.39/x
  3. Step 3: Cross multiply
    127,893.09x = 176,485.98 × 70,542.39
  4. Step 4: Simplify right side
    127,893.09x = 12,449,742,830.69
  5. Step 5: Solve for x
    x = 12,449,742,830.69/127,893.09
  6. Step 6: Final answer
    x = 97,344.92

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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.