Home / 127,633.02-176,127.41-70,271.15

Finding the Fourth Proportional to 127,633.02, 176,127.41 and 70,271.15

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Solution

The fourth proportional to 127,633.02, 176,127.41 and 70,271.15 is: 96,970.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,633.02 : 176,127.41 = 70,271.15 : x
  2. Step 2: Convert to fraction form
    127,633.02/176,127.41 = 70,271.15/x
  3. Step 3: Cross multiply
    127,633.02x = 176,127.41 × 70,271.15
  4. Step 4: Simplify right side
    127,633.02x = 12,376,674,942.26
  5. Step 5: Solve for x
    x = 12,376,674,942.26/127,633.02
  6. Step 6: Final answer
    x = 96,970.79

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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.