Home / 127,602.08-176,089.13-71,013.45

Finding the Fourth Proportional to 127,602.08, 176,089.13 and 71,013.45

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Solution

The fourth proportional to 127,602.08, 176,089.13 and 71,013.45 is: 97,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,602.08 : 176,089.13 = 71,013.45 : x
  2. Step 2: Convert to fraction form
    127,602.08/176,089.13 = 71,013.45/x
  3. Step 3: Cross multiply
    127,602.08x = 176,089.13 × 71,013.45
  4. Step 4: Simplify right side
    127,602.08x = 12,504,696,806.33
  5. Step 5: Solve for x
    x = 12,504,696,806.33/127,602.08
  6. Step 6: Final answer
    x = 97,997.60

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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.