Home / 127,849.02-176,432.09-70,487.08

Finding the Fourth Proportional to 127,849.02, 176,432.09 and 70,487.08

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Solution

The fourth proportional to 127,849.02, 176,432.09 and 70,487.08 is: 97,272.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,849.02 : 176,432.09 = 70,487.08 : x
  2. Step 2: Convert to fraction form
    127,849.02/176,432.09 = 70,487.08/x
  3. Step 3: Cross multiply
    127,849.02x = 176,432.09 × 70,487.08
  4. Step 4: Simplify right side
    127,849.02x = 12,436,182,048.88
  5. Step 5: Solve for x
    x = 12,436,182,048.88/127,849.02
  6. Step 6: Final answer
    x = 97,272.41

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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.