Home / 127,681.11-176,198.27-70,319.34

Finding the Fourth Proportional to 127,681.11, 176,198.27 and 70,319.34

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Solution

The fourth proportional to 127,681.11, 176,198.27 and 70,319.34 is: 97,039.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,681.11 : 176,198.27 = 70,319.34 : x
  2. Step 2: Convert to fraction form
    127,681.11/176,198.27 = 70,319.34/x
  3. Step 3: Cross multiply
    127,681.11x = 176,198.27 × 70,319.34
  4. Step 4: Simplify right side
    127,681.11x = 12,390,145,174.55
  5. Step 5: Solve for x
    x = 12,390,145,174.55/127,681.11
  6. Step 6: Final answer
    x = 97,039.77

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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.