Home / 127,681.54-176,198.87-70,319.77

Finding the Fourth Proportional to 127,681.54, 176,198.87 and 70,319.77

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Solution

The fourth proportional to 127,681.54, 176,198.87 and 70,319.77 is: 97,040.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,681.54 : 176,198.87 = 70,319.77 : x
  2. Step 2: Convert to fraction form
    127,681.54/176,198.87 = 70,319.77/x
  3. Step 3: Cross multiply
    127,681.54x = 176,198.87 × 70,319.77
  4. Step 4: Simplify right side
    127,681.54x = 12,390,264,408.71
  5. Step 5: Solve for x
    x = 12,390,264,408.71/127,681.54
  6. Step 6: Final answer
    x = 97,040.37

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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.